“They [the waters] were divided into many paths equal to the number of the tribes, as the appearance of a rounded bow.” (BL Add 14763; Miscellany of philosophical works including by Maimonides; 13th c; Italy (Viterbo); f.135r)
BL Add 14763; Miscellany of philosophical works including by Maimonides; 13th c; Italy (Viterbo); f.135r
With gratitude to Ennius for posting this.