Isaiah 44:2

Jesurun - Jeshurun means Israel. This name was given to that people by Moses, Deuteronomy 32:15 ; Deuteronomy 33:5 , Deuteronomy 33:26 . The most probable account of it seems to be that in which the Jewish commentators agree; namely, that it is derived from ישר yashar , and signifies upright. In the same manner, Israel, as a people, is called משלם meshullam , perfect, Isaiah 42:19 , They were taught of God, and abundantly furnished with the means of rectitude and perfection in his service and worship. Grotius thinks that ישרון yeshurun is a diminutive of ישראל yishrael , Israel; expressing peculiar fondness and affection; Ισραηλιδιον , O little Israel.