zygoma (n.)youdaoicibaDictYouDict[zygoma 词源字典]
"bony arch of the cheek," plural zygomata, 1680s, Modern Latin, from Greek zygoma, from zygon "yoke" (see jugular). So called because it connects the bones of the face with those of the skull about the ear.[zygoma etymology, zygoma origin, 英语词源]