elder sister · term of address for an older female person
çekim: çoğul ئاچىلار · tamlayan ئاچىنىڭ
köken: From Proto-Turkic *ăča / *ĕče "mother; elder sister; older woman". Compare with Kyrgyz эже (eje, “elder sister; a way to address an older woman”), Southern Altai эје (eǰe, “elder sister; a way to address an older woman”), Uzbek ocha (“grandmother”),
older sister of a male · somewhat older female friend or acquaintance
eş: 언니, 형, 오빠
köken: Contracted from 누이 (nu'i, “sister of a male”) + 님 (nim, “honorific”) + -아 (-a, “vocative particle”), ultimately from pre-Middle Korean */nup/ "sister" or similar. The phonologically conservative Gyeongsang and Yukjin dialects conserve the original /p ~ b/ in this word.
köken: From Malay kakak (“older sister”), from Classical Malay kakak, from Proto-Malayic *kakaʔ, from Proto-Malayo-Polynesian *kaka, from Proto-Austronesian *kaka. * For sense of older brother, semantic loan from Hokkien 哥哥 (ko-ko, “older brother”) and semantic loan from Javanese ꦏꦏꦁ, ꦏꦏ, ꦏꦏꦏ꧀ (kakang, kaka, kakak). * For sense of form of address to husband in marital relationship, semantic loan from…