Strong's #4010: mabliygiyth (pronounced mab-leeg-eeth')
from 1082; desistance (or rather desolation):--comfort self.
Brown-Driver-Briggs Hebrew Lexicon:
mablı̂ygı̂yth
1) smiling, cheerfulness, source of cheerfulness or brightening
Part of Speech: noun feminine
Relation: from H1082
Usage:
This word is used 1 times:
Jeremiah 8:18: " When I would comfort myself against sorrow, my heart is faint in"