outwatch
verb
out·watch ˌau̇t-ˈwäch 
-ˈwȯch
outwatched; outwatching; outwatches
transitive verb
: to surpass in watching : to maintain a longer vigil than
So, the Spider, doggedly watching Estella, outwatched many brighter insects …
Charles Dickens
Charles Dickens
Word History
First Known Use
1625, in the meaning defined above