gnathionWiktionary 原文英美构词拆解gnathgnath-前缀ion-ion后缀gnath-Prevocalic form of gnatho- (“jaw”).-ion(unproductive) An action or process, or the result of an action or process. · (unproductive) A state or condition.词源说明From gnath- + -ion.释义名词noun1A craniometric point, being the lowest part of the middle line of the mandible.同族词派生词 1endognathion