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inculcate (v.)1540s, from Latin inculcatus, past participle of inculcare "force upon, insist; stamp in, impress, tread down," from in- "in" (from PIE root *en "in") + calcare "to tread, press in," from calx (1) "heel" (see calcaneus). Related: Inculcated; inculcating. Advertisement
inculcation (n.)1550s, from inculcate (v.), or else Late Latin inculcationem (nominative inculcatio), noun of action from past participle stem of inculcare "to force upon; stamp in." 
