Boyd’s Bible Dictionary:
(nourishment). A Judahite (1 Chron. 2:6).
Concise Bible Dictionary:
Son of Zerah, descendant of Judah (1 Chron. 2:6). Probably the same as CHALCOL in 1 Kings 4:31, the Hebrew letters being the same.
Jackson’s Dictionary of Scripture Proper Names:
nourished: comprehended