When they came to Marah, they could not drink from the waters because they were bitter. On account of this it was called Marah.
They left from before Pi-Hahiroth and passed through the sea into the wilderness. They traveled three days journey into the wilderness of Etham and camped at Marah.
“Do not call me Naomi,” she told them. “Call me Mara—since Shaddai has made my life bitter.