From Proto-Tocharian *ćänu, from Proto-Indo-European *ǵénu-.
Compare Latin gena, Old Irish gin, Welsh gên, Old Armenian ծնաւտ (cnawt), Ancient Greek γένυς (génus), Sanskrit हनु (hánu), Avestan 𐬰𐬁𐬥𐬎 (zānu), Persian چانه (čâne).
śanwem du