PS

*ḳinn- - buttocks, anus (Kogan/Militarev 2002: 316; Kogan 2011: 218)

Akkadian
ḳinnatu - anus, buttocks; rear (CAD Q 254, AHw. 921)
Arabic
qaynat- - back, loins, space between the hips (BK 2 848)
Tigre
ḳən - vulva; lower or back part (WTS 252)
Harari
ḳänāwa - tail (EDH 127)
Chaha
ḳˀən - anus, buttocks; bottom of a thing (EDG 516)
Ezha
ḳˀən - anus, buttocks; bottom of a thing (EDG 516)
Endegen
ˀin - anus, buttocks; bottom of a thing (EDG 516)
Gyeto
ḳˀin - anus, buttocks; bottom of a thing (EDG 516)
Muher
ḳˀən - anus, buttocks; bottom of a thing (EDG 516)
Muher
ḳˀənn - buttocks, anus (Kogan–Militarev 2002: 316)
Masqan
ḳˀən - anus, buttocks; bottom of a thing (EDG 516)