Loosen
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 06:12的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/loosen ref] From loose + -en. == etymonline == [https://www.etymonline.com/word/l…”的新页面）
wiktionary
From loose + -en.
etymonline
loosen (v.)
late 14c., losnen (transitive) "make loose, free from tightness," later lousen (early 15c.), from loose (v.) + -en (1). Intransitive sense of "become loose" is from 1670s. Meaning "limber the muscles before physical effort" is from 1955. Related: Loosened; loosening; loosener.
