Cos

来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 13:21的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=cos+etymology&newwindow=1&hl=en ref] late 17th century: named after the Aegean island of…”的新页面）
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google

ref

late 17th century: named after the Aegean island of Cos, where it originated.


Ety img cos.png

wiktionary

ref

From the name of the island Cos, whence it was introduced.

From 'cause, an aphetic form of because. 

Clipping of  cousin

cos

取自“https://www.bigphysics.org/index.php?title=Cos&oldid=42510”