Exodus 15:23
They came to Marah, but they could not drink the water at Marah because it was bitter—that is why it was named Marah.
Numbers 33:8
Ruth 1:20
“Don’t call me Naomi. Call me Mara,”
Treasury of Scripture Knowledge
Summary
And when they came to Marah, they could not drink of the waters of Marah, for they were bitter: therefore the name of it was called Marah.
Marah
Bible References
Marah
Numbers 33:8 They departed from Pi-hahiroth and crossed through the middle of the sea into the wilderness. They took a three-day journey into the Wilderness of Etham and camped at Marah.
Ruth 1:20
“Don’t call me Naomi. Call me Mara,” she answered, “for the Almighty has made me very bitter.