צָפָה

English (Strong)

a primitive root (probably identical with צָפָה through the idea of expansion in outlook, transferring to action); to sheet over (especially with metal): cover, overlay.
a primitive root; properly, to lean forward, i.e. to peer into the distance; by implication, to observe, await: behold, espy, look up (well), wait for, (keep the) watch(-man).