early 15c., from Medieval Latin exhumationem (nominative exhumatio), noun of action from past participle stem of exhumare (see exhume).
early 15c., from Medieval Latin exhumare "to unearth" (13c.), from Latin ex- "out of" (see ex-) + humare "bury," from humus "earth" (see chthonic). An alternative form was exhumate (1540s), taken directly from Medieval Latin. Related: Exhumed; exhuming.