equivocation
The origin and history of equivocation.
Etymology
c. 1380, from Middle English equivocacion, from Old French equivocation, from Medieval Latin aequivocātiō, from aequivocō, from Late Latin aequivocus (“ambiguous, equivocal”), from Latin aequus (“equal”) + vocō (“call”); a calque of Ancient Greek ὁμωνυμία (homōnumía).