Pulling
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 02:42的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=pulling+etymology&newwindow=1&hl=en ref] Old English pullian ‘pluck, snatch’; origin…”的新页面）
Old English pullian ‘pluck, snatch’; origin uncertain; the sense has developed from expressing a short sharp action to one of sustained force.
wiktionary
From Middle English *pullynge, equivalent to pull + -ing.
From Middle English pulling, pullyng, pullynge, equivalent to pull + -ing.
