Strong's #2523: challash (pronounced khal-lawsh')
from 2522; frail:--weak.
Brown-Driver-Briggs Hebrew Lexicon:
ּׁ
challâsh
1) weak
Part of Speech: adjective
Relation: from H2522
Usage:
This word is used 1 times:
Joel 3:10: "into swords, and your pruning hooks into spears: let the weak say, I am strong."