Proto-Mongolian: *oŋgi-
Altaic etymology: Altaic etymology
Meaning: 1 hole, nest 2 trough, vessel; ship
Russian meaning: 1 дыра, нора, гнездо 2 корыто, сосуд; лодка, корабль
Written Mongolian: oŋgi, oŋɣarqai, oŋɣurqai (L 614) 1, oŋɣuča 2
Middle Mongolian: oŋqača (HY 19), unqača (MA) 2, ūnkɣača (Lig.VMI) 2, kuǯunin unqarqai 'neck cavity' (МА)
Khalkha: ongi, ongorxoi 1, ongoc 2
Buriat: ongi 1, ongoso 2
Kalmuck: oŋǵǝ 1, oŋɣǝcǝ 2
Ordos: oŋgi 1
Dongxian: onGočo 2
Shary-Yoghur: oŋGorχi 1, oŋGočo 2
Monguor: uŋkuʒ́oG (SM 473), ŋgučaG 2
Comments: KW 287, MGCD 529. Mong. oŋguča > Evk. oŋkočo etc. (Doerfer MT 123-124 suggests Mong. < TM, which is more dubious).