[ out-woch ]
/ ˌaʊtˈwɒtʃ /

verb (used with object)

to outdo or surpass in watching.
to watch, or maintain a vigil, until the end of: The mourners had outwatched the night.

Origin of outwatch

First recorded in 1620–30; out- + watch
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019