פירוש על ישעיהו 40:31

wings [The Hebrew אבר means] a wing.

יחליפו כח Shall renew their strength. Before one power is exhausted, the other is prepared for them by the Almighty. Comp. if it be cut down, (יחליף) it will sprout again (Job. 14:7). In Arabic this word has a similar meaning.⁶⁴خَلَفَ Successor alicujus fuit; خَلِيفَةٌ Khalif. (Freytag, Lex. Arab. Lat.)

אבר Wing. Comp. Ps. 55:7.—The sense of the whole verse seems to be this: The Israelites that trusted in the Almighty will be strengthened by Him, and He will bring them back to Jerusalem; the Babylonians, who are now mighty, will be weakened.