expunction
n.
c.1600, from Latin expunctionem (nominative expunctio), noun of action from past participle stem of expungere "prick out, blot out, mark for deletion" (see expunge).
〔李〕[ex-;punct;-ionn.] n.擦去，抹掉； 删除 ←pung,punct (L pungere,punctum)=to prick 刺