Watched over and managed something to make sure it was done correctly; supervised.
From 'over' (above, surveying) and 'see' (to observe), with Old English roots. The combination literally means 'to see from above' with supervisory intent.
The word 'oversee' originally had a literal meaning—plantation owners would position themselves on high ground to literally see over enslaved workers, which is why the term carries baggage in historical contexts!
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