one's older brother · uncle; one's male relative who is elder than the speaker, but younger than his/her parents · a way to address or denote a male within that age range
çekim: çoğul ағайҙар · tamlayan ағайҙың
köken: From Proto-Turkic *āka (“elder brother; uncle”). Cognate with Old Uyghur [script needed] (aqa, “elder brother”), Kazakh аға (ağa, “elder brother; uncle”), Kyrgyz ага (aga, “elder brother”), Southern Altai ака (aka, “elder brother”) / ага (aga), Crimean Tatar ağa (“elder brother; uncle”), Turkish ağa (“master, boss”), Yakut аҕа (ağa, “elder; father”).
köken: Probably contracted from 오라비 (orabi, “brother of a female”) + -아 (-a, “hey”, vocative particle), compare 누나 (nuna, “elder sister of a male”). For more on the etymology, see 오라비 (orabi).
elder brother · a male cousin who's descended from an ancestor who is/was an older sibling to yours or your spouse's · a generic thing
köken: Inherited from Proto-Vietic *ʔɛːŋ (“elder brother”). According to Phan Kế Bính's Việt Nam phong tục (1915), apparently the practice of calling each other anh-em for those in relationship originated from the South Central province of Quảng Nam: 1915, Phan Kế Bính, Việt Nam phong tục [Vietnamese customs]: — Vợ chồng con nhà sang trọng, gọi nhau bằng cậu mợ, thầy thông thầy phán thì gọi nhau bằng…
aile: anh chị em, anh chột làm vua xứ mù, anh em, anh trai