Strong’s Greek
G2892 — koustodia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
κουστωδία
koustodia — pronounced koos-to-dee'-ah
of Latin origin; "custody", i.e. a Roman sentry:--watch.
3 occurrences in the KJV.
Matthew 27:65
Pilate said unto them, Ye have a watch: go your way, make it as sure as ye can.
Matthew 27:66
So they went, and made the sepulchre sure, sealing the stone, and setting a watch.
Matthew 28:11
Now when they were going, behold, some of the watch came into the city, and shewed unto the chief priests all the things that were done.