attribution (n.)

late 15c., "action of bestowing or assigning," from Latin attributionem (nominative attributio) "an assignment, attribution," noun of action from past participle stem of attribuere "assign, allot; ascribe, impute," from assimilated form of ad "to" (see ad-) + tribuere "assign, give, bestow" (see tribute). Meaning "thing attributed" is recorded from 1580s.