Expiration
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 07:29的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=expiration+etymology&newwindow=1&hl=en ref] late Middle English (denoting a vapour or exh…”的新页面）
late Middle English (denoting a vapour or exhalation): from Latin exspiratio(n- ), from the verb exspirare (see expire).
wiktionary
Borrowed from Middle French expiration, from Latin exspīrātiōnem, accusative singular of exspīrātiō.
etymonline
expiration (n.)
early 15c., expiracioun, "vapor, breath," from Latin expirationem/exspirationem (nominative expiratio/exspiratio) "a breathing out, exhalation," noun of action from past-participle stem of expirare/exspirare "breathe out; breathe one's last" (see expire). Meaning "termination, end, close" is from 1560s.
