出典:Wiktionary
出典:『Wiktionary』 (2012/11/18 01:43 UTC 版)
From French mastoïde, from Medieval Latin mastoides, from Ancient Greek mastoeides, from mastos (“breast”) + English -oid (“resembling”) + from Latin abscessus (“a going away; gathering of humors, abscess”), from abscēdō (“go away, depart”), from abs (“away from”) + cēdō (“go”).