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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Attested since the 15th century C.E.; from Middle English supervisor, supervisour, supervysor, supervysour, from Latin supervīsor, from supervideō, in turn from super + videō. By surface analysis, supervise + -or.
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Classic usage
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