Exodus 13:18
18 But God pled the people around by the way of the wilderness toward the Red Sea. And the people of Israel went up out of the land of Egypt equipped for battle.
Exodus 13:20
20 And rthey moved on from Succoth and encamped at Etham, on the edge of the wilderness.
Numbers 33:7–8
7 And they set out from Etham and turned back to tPi-hahiroth, which is east of Baal-zephon, and they camped before Migdol. 8 And they set out from before Hahiroth1 and upassed through the midst of the sea into the wilderness, and they vwent a three days’ journey in the wilderness of Etham and camped at Marah.