C14: from Old French depriver, from Medieval Latin dēprīvāre, from Latin de- + prīvāre to deprive of, rob; see private
Word Origin and History for deprive
v.
mid-14c., from Old French depriver, from Medieval Latin deprivare, from Latin de- "entirely" (see de-) + privare "release from" (see private). Replaced Old English bedælan. Related: Deprived; depriving.