köken: Via a Mongolic source (compare Buryat хэнзэ (xenze, “autumn-born small livestock”), from Proto-Turkic *kēnč (“young”), which is borrowed from Sogdian 𐫐𐫗𐫝 (knc, “young”), ultimately from Proto-Indo-European *ken- (“new, fresh”). Cognate with Siberian Tatar кинцә (kintsä), Kazakh кенже (kenje), Kyrgyz кенже (kenje), Kumyk генже (genje), Southern Altai кенје (kenǰe), Tuvan хенче (xençe), Uzbek…
the youngest son or daughter; the lastborn; the youngest of the family · the youngest person in a group · maknae (youngest member of an idol group)
eş: 막내둥이
zıt: 맏이
köken: From 18th century 막나이 (mangnai), from 막 (mak, “end”) (as in 마지막 (majimak), 막바지 (makbaji)) + 낳— (nat-, “to bear, to bring forth”) + —이 (-i, agent suffix).
lastborn; youngest (of a child in a family, by extension, of any group)
köken: From earlier bungso, an early borrowing from Malay bongsu (“lastborn”), ultimately from Proto-Malayo-Polynesian *buŋsu. Compare Kapampangan bunsu and Remontado Agta bussu.