Applied
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 14:16的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=applied+etymology&newwindow=1&hl=en ref] late Middle English: from Old French aplier, fro…”的新页面）
late Middle English: from Old French aplier, from Latin applicare ‘fold, fasten to’, from ad- ‘to’ + plicare ‘to fold’.
etymonline
applied (adj.)
"put to practical use," (as opposed to abstract or theoretical), 1650s, from past participle of apply. Earlier it was used in a sense of "folded" (c. 1500).
