[soo-per-vizh-uh n]
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Origin of supervision

1615–25; < Medieval Latin supervīsiōn- (stem of supervīsiō) oversight, equivalent to super- super- + vīsiōn- vision
Related formsnon·su·per·vi·sion, nounpre·su·per·vi·sion, nounpro·su·per·vi·sion, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for supervision

1630s, from Medieval Latin supervisionem (nominative supervisio), noun of action from past participle stem of supervidere (see supervise).

Online Etymology Dictionary, © 2010 Douglas Harper