en_tn/exo/13/19.md

solemnly swear

AT: "make a very serious promise"

camped at Etham

Ethan is located south of the route heading towards the Philistines, at the border of the wilderness. (See: rc://en/ta/man/translate/translate-names)

pillar of cloud ... pillar of fire

God is with them in a cloud by day and in a fire by night.