Rotation
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 07:59的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=rotation+etymology&newwindow=1&hl=en ref] mid 16th century: from Latin rotatio(n- ), from…”的新页面）
mid 16th century: from Latin rotatio(n- ), from the verb rotare (see rotate).
wiktionary
Borrowed from Latin rotationem, accusative of rotatio. Morphologically rotate + -ion
etymonline
rotation (n.)
1550s, "act of rotating or turning, action of moving round a center," from Latin rotationem (nominative rotatio) "a turning about in a circle," noun of action from past-participle stem of rotare "turn round, revolve, whirl about, roll," from the same source as rota "wheel" (see rotary).
Sense of "a recurring series or period" is by 1610s. Used earlier in alchemy, "transmutation of the four elements into one another" (late 15c.).
