mandibular (adj.)youdaoicibaDictYouDict[mandibular 词源字典]
1650s, from Latin mandibula (see mandible) + -ar.[mandibular etymology, mandibular origin, 英语词源]
mandibularyyoudaoicibaDictYouDict
"= mandibular", Mid 17th cent.; earliest use found in Thomas Urquhart (1611–1660), author and translator. From post-classical Latin mandibula + -ary.