Probably patrial from an unused noun meaning slenderness; a Mithnite, or inhabitant of Methen
KJV Usage: Mithnite.
Brown-Driver-Briggs' Hebrew Definitions
Mithnite = "athlete" 1. unknown derivation a. used in description of Joshaphat, one of David's guards
Origin: probably patrial from an unused noun meaning slenderness
Parts of Speech: Adjective