What is manna? Is it a Hebrew pun on mah hu, or as Everett Fox suggests, “Whaddayacallit”? Is it mountains of sweet insect excrement, as proposed by some scholars, or the stuff of legend?

What is manna? Is it a Hebrew pun on mah hu, or as Everett Fox suggests, “Whaddayacallit”? Is it mountains of sweet insect excrement, as proposed by some scholars, or the stuff of legend?