Could'a
来自Big Physics
Safin（讨论 | 贡献）2022年4月29日 (五) 01:50的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=could'a+etymology&newwindow=1&hl=en ref] Old English cunnan ‘know’ (in Middle Englis…”的新页面）
Old English cunnan ‘know’ (in Middle English ‘know how to’), related to Dutch kunnen and German können ; from an Indo-European root shared by Latin gnoscere ‘know’ and Greek gignōskein ‘know’.
