Deu 32:15, Isa 44:2 | JFB | e4.org | 15. But Jeshurun waxed fat, and kicked —This is a poetical name for Israel. The metaphor here used is derived from a pampered animal, which, instead of being tame and gentle, becomes mischievous and vicious, in consequence of good living and kind treatment. So did the Israelites conduct themselves by their various acts of rebellion, murmuring, and idolatrous apostasy.

‏ Deuteronomy 32:15

15. But Jeshurun waxed fat, and kicked—This is a poetical name for Israel. The metaphor here used is derived from a pampered animal, which, instead of being tame and gentle, becomes mischievous and vicious, in consequence of good living and kind treatment. So did the Israelites conduct themselves by their various acts of rebellion, murmuring, and idolatrous apostasy.

‏ Isaiah 44:2

2. (Isa 43:1, 7).

formed . . . from . . . womb—(So Isa 44:24; Isa 49:1, 5). The sense is similar to that in Isa 1:2, "I have nourished and brought up children."

Jesurun—A diminutive term of endearment applied to Israel. The full title of affection was Israelun; contracted it became Jeshurun, with an allusion to the Hebrew root, jashar, "upright," "perfect" (see on Isa 42:19, note on "He that is perfect") [GESENIUS], (De 32:15).