Meaning

noun the protruding part of the lower jaw

noun Kamarupan languages spoken in western Burma and Bangladesh and easternmost India

verb raise oneself while hanging from one's hands until one's chin is level with the support bar

originFrom Middle English chyn, from Old English ċinn (“chin”), from Proto-West Germanic *kinnu, from Proto-Germanic *kinnuz (“chin”), from Proto-Indo-European *ǵénus (“chin, jaw”). Compare West Frisian/Dutch kin, Low German/German Kinn, Danish kind, Icelandic kinn, Welsh gen, Latin gena, Tocharian A śanweṃ, Ancient Greek γένυς (génus, “jaw”), Armenian ծնոտ (cnot), Persian چانه (čâne), Sanskrit हनु…

Etymology from Wiktionary, CC BY-SA 3.0