Stubborn
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 07:24的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=stubborn+etymology&newwindow=1&hl=en ref] Middle English (originally in the sense ‘unta…”的新页面）
Middle English (originally in the sense ‘untameable, implacable’): of unknown origin.
wiktionary
From Middle English stiborne, stibourne, stoburn, stoburne, styburne, stiborn. Origin uncertain.
One theory is that the origin may come from *stybor, *stibor, from Old English stybb(“a stump, stub”) + adj. formative -or as in Old English bitor, English bitter.
etymonline
stubborn (adj.)
late 14c., of uncertain origin. Earliest form is stiborn. OED, Liberman doubt any connection with stub (n.). Related: Stubbornly; stubbornness.
