Roo
来自Big Physics
Safin（讨论 | 贡献）2022年4月29日 (五) 03:56的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=roo+etymology&newwindow=1&hl=en ref] early 20th century: shortened form. == wiktionary…”的新页面）
early 20th century: shortened form.
wiktionary
From Middle English roo, ro, from Old English rō, rōw(“quietness, quiet, rest”), from Proto-Germanic *rōwō(“quiet, rest”), from Proto-Indo-European *ere(w)-, *rē(w)-(“quiet”). Cognate with Scots ro, ruve(“peace, repose”), German Ruhe(“rest, peace, tranquility”), Danish, Norwegian and Swedish ro(“rest, peace, tranquility”), Icelandic ró(“tranquility, quietness”).
Aphetic form of kangaroo.
etymonline
roo (n.)
Australian colloquial shortening of kangaroo, attested from 1904.
