genioglossalyoudaoicibaDictYouDict[genioglossal 词源字典]
"Designating the genioglossus muscle; of or relating to this muscle", Early 19th cent.; earliest use found in Charles Bell (1774–1842), physiologist and surgeon. From genioglossus or its etymon post-classical Latin genioglossus + -al.[genioglossal etymology, genioglossal origin, 英语词源]