Strong's #315: 'Achrach (pronounced akh-rakh')
from 310 and 251; after (his) brother: Achrach, an Israelite:--Aharah.
Brown-Driver-Briggs Hebrew Lexicon:
'achrach
Aharah = "a following brother"
1) a son of Benjamin
Part of Speech: noun proper masculine
Relation: from H310 and H251
Usage:
This word is used 1 times:
1 Chronicles 8:1: "his firstborn, Ashbel the second, and Aharah the third,"