Iru

i'-roo (`iru): Eldest son of Caleb (1Ch 4:15); probably to be read Ir, the syllable "-u" being the conjunction "and" belonging to the following word.

In other dictionaries

International Standard Bible Encyclopedia — James Orr, general editor and contributors; CrossWire SWORD module ISBE 2.2

Bible Strong digital edition from CrossWire module 2.2; historical scholarship originally published in 1915