Operations
来自Big Physics
Safin(讨论 | 贡献)2022年4月28日 (四) 12:31的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=operations+etymology&newwindow=1&hl=en ref] late Middle English: via Old French from Lati…”的新页面)
late Middle English: via Old French from Latin operatio(n- ), from the verb operari ‘expend labour on’ (see operate).