agitativeyoudaoicibaDictYouDict[agitative 词源字典]
"Tending to agitate or move (something); involving agitation", Early 16th cent.; earliest use found in Thomas Paynell (d. ?1564), translator. From post-classical Latin agitativus that produces movement from classical Latin agitāt-, past participial stem of agitāre + -īvus.[agitative etymology, agitative origin, 英语词源]