1250–1300;Middle Englishac(c)usen < Old Frenchacuser < Latinaccūsāre to call to account (ac-ac- + -cūs-, combining form of caus-; see cause)
Related formsac·cus·a·ble, adjectiveac·cus·a·bly, adverbac·cus·ant, nounac·cus·ing·ly, adverbin·ter·ac·cuse, verb (used with object),in·ter·ac·cused,in·ter·ac·cus·ing.non·ac·cus·ing, adjectivepre·ac·cuse, verb (used with object),pre·ac·cused,pre·ac·cus·ing.re·ac·cuse, verb (used with object),re·ac·cused,re·ac·cus·ing.self-ac·cus·ing, adjectiveun·ac·cus·a·ble, adjectiveun·ac·cus·ing, adjectiveun·ac·cus·ing·ly, adverbCan be confusedaccuseallegecharge
c.1300, "charge (with an offense, etc.), impugn, blame," from Old French acuser "to accuse, indict, reproach, blame" (13c.), earlier "announce, report, disclose" (12c.), or directly from Latin accusare "to call to account," from ad- "against" (see ad-) + causari "give as a cause or motive," from causa "reason" (see cause (n.)). Related: Accused; accusing; accusingly.