jassɨ

flat and broad

Proto-Turkic: *jAs-
Altaic etymology: Altaic etymology
Proto-Altaic: *dắsi
Nostratic: Nostratic
Russian meaning: широкий и плоский
Turkic: *jAs-
Mongolian: *dasinga
Tungus-Manchu: *dasi-
Korean: *tìsài
Comments: VEWT 191, EDT 973-974, ЭСТЯ 4, 153-154, 155-156 (see there the list of other derivatives of the root *jAs-), Лексика 98.
Karakhanid: jasɨ (MK)
Turkish: jassɨ
Tatar: jassɨ, jastɨ
Middle Turkic: jassɨ (AH, Ettuhf.)
Uzbek: jassi
Azerbaidzhan: jastɨ
Turkmen: jasɨ
Bashkir: jaɵɨ
Balkar: ǯassɨ
Gagauz: jasɨ
Kumyk: jassɨ