- agitation (n.)
[agitation 词源字典]
- 1560s, "mental tossing to and fro," from French agitation, from Latin agitationem (nominative agitatio) "motion, agitation," noun of action from past participle stem of agitare "move to and fro," frequentative of agere in its sense of "to drive" (see act (n.)).[agitation etymology, agitation origin, 英语词源]