- exhalation (n.)
[exhalation 词源字典]
- late 14c., "act of exhalation; that which is exhaled," from Latin exhalationem (nominative exhalatio) "an exhalation, vapor," noun of action from past participle stem of exhalare "to breathe out" (see exhale).[exhalation etymology, exhalation origin, 英语词源]