Interchangeability: Historic use of and (lust/just)or and(loue/love).</u></em></p></li><li><p><strong><em>LongS</em></strong><em>:Avariantof"s"usedatthestartormiddleofwordsphasedoutbythe18^{th}century.</em></p></li><li><p><strong><em>ConsonantClusterReduction</em></strong><em>:Silentfirstlettersinwordslike"Knight"and"Gnat."</em></p></li><li><p><strong><em>Rhoticity</em></strong><em>:Shiftfromrhoticpronunciation(pronouncing"r"inallpositions)tonon−rhoticityinSouthernEnglandduringtheLateModernEnglishperiod.</em></p></li></ul><h3id="9bb8e5b1−c962−4b8d−9025−866d3f5a16f1"data−toc−id="9bb8e5b1−c962−4b8d−9025−866d3f5a16f1"collapsed="false"seolevelmigrated="true"><em><u>TheoriesofLanguageChange</u></em></h3><ul><li><p><strong><em><u>CulturalTransmissionTheory</u></em></strong><em><u>:</u>Languagefeaturesarepassedbetweengenerations.InEME(1500−1800),scholarsadoptedGreek/Latintermslike"philosophy"and"metaphor."</em></p></li></ul><p><strong><em><u>Criticism:</u></em></strong><em>Itdoesnotaccountfortrial−and−errorlearning.</em></p><p></p><ul><li><p><strong><em><u>FunctionalTheory(Halliday)</u></em></strong><em><u>:</u>Languagechangestomeetthecommunicativeneedsofspeakers.Neologismslike"locomotive"orgendereddistinctionslike"girlfriend"ariseforefficiencyorprecision.</em></p></li></ul><p><strong><em><u>Criticism:</u></em></strong><em>Itprimarilyexplainslexis,notgrammar.</em></p><p></p><ul><li><p><strong><em><u>RandomFluctuationTheory(Hockett)</u></em></strong><em><u>:</u>Changeisduetochanceeventsor"instability"inthesystem.</em></p></li></ul><p><strong><em><u>Criticism:</u></em></strong><em>Language</em><strong><em>change</em></strong><em>oftenappears</em><strong><em>moreorganizedthan</em></strong><em>pure</em><strong><em>chaos.</em></strong></p><p></p><ul><li><p><strong><em><u>SubstratumTheory(Labov)</u></em></strong><em><u>:</u>Changehappensthroughcontactwithotherlanguages.Englishborrowed"chaise"fromFrenchand"status"fromLatinduetosocialinfluence.</em></p></li></ul><ul><li><p><strong><em><u>Wave−TreeModel</u></em></strong><em><u>:</u>Changesoriginateinonelocationandspreadoutwardlikeripples(e.g.,phonologicalchangesinSoutheastEnglandspreadingacrossthecountry).</em></p></li><li><p><strong><em><u>S−CurveModel</u></em></strong><em><u>:</u>Changestartsslowly,undergoesarapidburstofadoption,andthenlevelsoff(e.g.,thelossoftheOldEnglish"−an"nounending).</em></p></li><li><p><strong><u>theYoung−Cuckrooprocess:</u></strong>inwhichnewwordsslowlygetusedmorethanoldwordsandeventuallythenewwordwillreplacetheoldword.</p></li></ul><h2id="14afaf02−4f3c−4aef−a4a4−998290cad696"data−toc−id="14afaf02−4f3c−4aef−a4a4−998290cad696"collapsed="false"seolevelmigrated="true"><u>JeanAitchersion</u></h2><ul><li><p><strong><em>JeanAitchison’sPIDCModel</em></strong><em>:Vocabularyacquisitionoccursinfourstages:</em></p><ul><li><p><strong><em>Potential</em></strong><em>:Theneedforanewword.</em></p></li><li><p><strong><em>Implementation</em></strong><em>:Thewordentersuse.</em></p></li><li><p><strong><em>Diffusion</em></strong><em>:Thewordspreadsthroughthecommunity.</em></p></li><li><p><strong><em>Codification</em></strong><em>:Thewordisrecordedindictionaries/standardusage.</em></p></li></ul></li></ul><h4id="e8ad2864−f5fe−457b−9d35−f50547e4ebbf"data−toc−id="e8ad2864−f5fe−457b−9d35−f50547e4ebbf"collapsed="false"seolevelmigrated="true"><strong><em><u>JeanAitchison’sPrescriptivistMetaphors</u></em></strong><em><u>:</u></em></h4><ul><li><p><strong><em>DampSpoon</em></strong><em>:Theviewthatlanguagechangeisnotduetolaziness.</em></p></li><li><p><strong><em>CrumblingCastle</em></strong><em>:TheviewthatEnglishwasneveraperfectstructureandhasneededgoadaptandchange.</em></p></li><li><p><strong><em>InfectiousDisease</em></strong><em>:Theviewthat"bad"languagehabitsspreadandaredrivenbyapersonalwanttofitinusingin−grouplanguage.</em></p></li><li><p><strong><em>progressvsdecay:</em></strong><em>theideathatthepresenceofslangisnotthedecayoftheenglishlanguage</em><strong><em></em></strong><em>butitisthesignoflanguageprogression→challengesprescriptivism</em></p></li></ul><h2id="8c928c98−799a−4c09−8dd7−1fc95b7152dc"data−toc−id="8c928c98−799a−4c09−8dd7−1fc95b7152dc"collapsed="false"seolevelmigrated="true"><em><u>ChronologyofLanguageHistory</u></em></h2><h3id="aba5cda7−c985−429c−a10d−a331323e1f55"data−toc−id="aba5cda7−c985−429c−a10d−a331323e1f55"collapsed="false"seolevelmigrated="true"><em><u>OldEnglish(500−1100AD)</u></em></h3><ul><li><p><strong><em>InfluenceofRomanraids</em></strong><em>(55BC)</em><strong><em>introducedLatin</em></strong><em>administrationterms(e.g.,"agenda,""adhoc").</em></p></li><li><p><em>Anglo−Saxonsettlementintroducedeverydaylexis(e.g.,"bread,""house")andcomplexinflectionalendings.</em></p></li><li><p><em>Characterizedbytheuseoftherunicalphabetandletters</em></p></li><li><p><strong><em>TheNormanConquest(1066AD)andMiddleEnglish(1100−1500)</em></strong></p></li></ul><ul><li><p><em>Frenchbecamethelanguageoftherulingclass;Englishwasforthelowerclass.</em></p></li><li><p><em>Introductionofspecializedlexisforlaw/government("jury,""parliament")andfood("beef"vs.OldEnglish"cow").</em></p></li><li><p><strong><em><u>WycliffeBible(1380s)</u></em></strong><em>:</em><strong><em>EarlyEnglishtranslationaimedatdemocratizationofknowledge;</em></strong><em>helpedstandardizegrammar.</em></p></li><li><p><strong><em><u>GreatVowelShift(1400−1700)</u></em></strong><em><u>:</u>Amassiveshiftinlongvowelpronunciationwheresoundsmovedhigher/upwardinthemouth.Forexample,"bite"shiftedfromsoundinglike"beet"tothemodern"ai"sound.</em></p></li></ul><h3id="e1bb332a−820e−41b4−82f3−4d5b9083b7bb"data−toc−id="e1bb332a−820e−41b4−82f3−4d5b9083b7bb"collapsed="false"seolevelmigrated="true"><em><u>EarlyModernEnglishandthePrintingRevolution(14−17thcentury)</u></em></h3><ul><li><p><strong><em><u>Caxton′sPrintingPress(1476)</u></em></strong><em><u>:</u>Initiatedmassproductionandtheneedforstandardizedspellingtosavecostsandensurewideunderstanding.</em></p></li><li><p><strong><em><u>TheRenaissance(14^{th}−17^{th}Century)</u></em></strong><em><u>:</u>InfluxofGreekandLatin"inkhornterms"(e.g.,"epitome,""biology")toexpressscientificandartisticconcepts.</em></p></li><li><p><strong><em><u>WilliamShakespeare(1558−1625)</u></em></strong><em><u>:</u>Introducedover1,700neologisms(e.g.,"eyeball,""uncomfortable")andcoinedidiomslike"breaktheice."</em></p></li><li><p><strong><em><u>KingJamesBible(1611)</u></em></strong><em><u>:</u></em><strong><em>Standardizedlexisandsyntax</em></strong><em>;introducedphraseslike"appleofmyeye."</em></p></li></ul><h3id="21eaff24−499c−48ff−a31a−f1ec725958b6"data−toc−id="21eaff24−499c−48ff−a31a−f1ec725958b6"collapsed="false"seolevelmigrated="true"><em><u>TheEraofStandardizationandPrescriptivism(18^{th}Century)</u></em></h3><ul><li><p><strong><em><u>SamuelJohnson’sDictionary(1755)</u></em></strong><em>:contained42,773entries;usedliteraryquotationstodefineusage;helpedestablishrulesfor"polite"conversation.</em></p></li><li><p><strong><em><u>RobertLowth(1762)</u></em></strong><em><u>:</u>Published"</em><strong><em>AShortIntroductiontoEnglishGrammar,</em></strong><em>"prohibitingsplitinfinitivesanddoublenegativesbasedonLatinmodels.</em></p></li><li><p><strong><em><u>LindleyMurray(1795)</u></em></strong><em><u>:</u>Standardizedthesubjunctive</em><strong><em>moodandpunctuationrules.</em></strong></p></li></ul><h3id="71a8b2fa−0077−45da−a4bb−0c549fdb812d"data−toc−id="71a8b2fa−0077−45da−a4bb−0c549fdb812d"collapsed="false"seolevelmigrated="true"><em><u>LateModernEnglishandGlobalExpansion(1750−Present)</u></em></h3><ul><li><p><strong><em><u>TheIndustrialRevolution(1760−140)</u></em></strong><em>Createdasurgeintechnicalneologisms(e.g.,"telegraph,""locomotive")andfavoreddirect,efficientcommunication.</em></p></li><li><p><strong><em><u>Colonization−thescrambleforAfrica1780</u></em></strong><em>:BritishEnglishinfluencedAustraliaandCanada,leadingtotheadoptionofindigenouswords(e.g.,"barbecue,""loonie").</em></p></li><li><p><strong><em><u>NoahWebster’sDictionary(1828)</u></em></strong><em><u>:</u>EstablishedAmericanEnglishspelling(e.g.,"color"vs"colour")andincludedAmerican−specificterms(e.g.,"skunk").</em></p></li><li><p><strong><em><u>TheEducationAct(1870)</u></em></strong><em><u>:</u>Drasticallyincreasedliteracyratesandreducedregionaldialectsbypromotinganationalcurriculum.</em></p></li></ul><h3id="162de318−abdf−4329−bea6−22b14dff67c2"data−toc−id="162de318−abdf−4329−bea6−22b14dff67c2"collapsed="false"seolevelmigrated="true"><em><u>The20^{th} Century and the Digital Age
World Wars (WWI & WWII) : Introduced military lexis and acronyms (e.g., "radar," "blitz," "A-bomb," "trench warfare"). WWII specifically increased the use of contractions due to telegraph costs.
Broadcasting (BBC, 1922)</u></em></strong><em><u>:</u>PromotedReceivedPronunciation(RP)astheprestigestandard,influencingnationalspeechpatterns.</em></p></li><li><p><strong><em><u>SocialMovements</u></em></strong><em><u>:</u>TheCivilRights(1950s−60s)andFeminist(1960s−70s)movementsintroducedtermslike"racialprofiling,""genderidentity,"and"glassceiling."</em></p></li><li><p><strong><em><u>TheInternet(1990s$$-Today): Facilitated the rise of "text speak" (e.g., "u" for "you"), social media-derived semantics (e.g., "friend" as a verb, "like" as a noun), and the use of memes for cultural commentary.