¶ 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.
Jewish Publication Society of America Version (JPS1917) - Exodus 15:23 >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.