Safin(讨论 | 贡献)2022年4月27日 (三) 10:02的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=efficiently+etymology&newwindow=1&hl=en ref] late Middle English (in the sense ‘making,…”的新页面)
late Middle English (in the sense ‘making, causing’, usually in efficient cause): from Latin efficient- ‘accomplishing’, from the verb efficere (see effect). The current sense dates from the late 18th century.