Binder
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 15:47的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/binder ref] From [https://en.wikipedia.org/wiki/Middle_English Middle English] bynder; eq…”的新页面）
wiktionary
From Middle English bynder; equivalent to bind + -er.
etymonline
binder (n.)
Old English bindere "one who binds," agent noun from bind (v.). Of various objects or products that bind, from early 16c.
