Êxodo 15:23

23 When they came to Marah, they could not drink its water because it was bitter. (That is why the place is called Marah. [Marah] means [bitter.])

23 Afinal, chegaram a Mara; todavia, não puderam beber as águas de Mara, porque eram amargas; por isso, chamou-se-lhe Mara.