Etymology

From Proto-Iranian (compare Old Persian danūg-, Parthian zanax, Avestan 𐬰𐬁𐬥𐬎 ‎(zānu)), from Proto-Indo-Iranian *jʰanus (compare Sanskrit हनु ‎(hánu)), from Proto-Indo-European *ǵénu- ‎(“chin, jaw, cheek”), *ǵénus. Compare Armenian ծնոտ ‎(cnot), Lithuanian žándas, Latin gena, Tocharian A śanwem, Welsh gen, English chin.