locative (n.)youdaoicibaDictYouDict[locative 词源字典]
"grammatical case indicating place," 1804, from Latin locus "place" (see locus) on model of Latin vocativus "vocative," from vocatus, past participle of vocare "to call, summon." As an adjective by 1816.[locative etymology, locative origin, 英语词源]