Propeller
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 20:07的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/propeller ref] From propel + -er. == etymonline == [https://www.etymonline.com/wo…”的新页面）
wiktionary
From propel + -er.
etymonline
propeller (n.)
1780, "one who or that which that propels," agent noun from propel. In the mechanical sense, 1809, "device for moving vessels on or under the water;" of flying machines, 1842 in a broad, theoretical sense; in the specific modern sense, 1853.
