Izrahite in Smiths Bible Dictionary
(descendant of Zerah), The, the designation of Shamhuth 1Ch
27:8 Its real force probably Zerahite, that is, from the great
Judaic family of Zerah.
Izrahite in the Bible Encyclopedia - ISBE
iz'-ra-hit (yizrach, "rising, shining"): Shamhuth, the captain
of the 5th monthly course (1 Ch 27:8), is called an
"Izrahite." The name may be derived from the town or family of
Izrah, but more likely is a corruption of the word "Zerahite,"
descendant of Zerah of Judah.