Strong H935K בּוֹא bô' · to come (in): (sun)set

Exodus

1. Exodus 17:12
   But Moses’ hands were heavy; and they took a stone, and put it under him, and he sat thereon; and Aaron and Hur stayed up his hands, the one on the one side, and the other on the other side; and his hands were steady until the going down of the sun.