Three's
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 18:43的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=three's+etymology&newwindow=1&hl=en ref] Old English thrīe (masculine), thrīo, thrēo (…”的新页面）
Old English thrīe (masculine), thrīo, thrēo (feminine), of Germanic origin; related to Dutch drie and German drei, from an Indo-European root shared by Latin tres and Greek treis .
