Strong's #3856: lahahh (pronounced law-hah')

a primitive root meaning properly, to burn, i.e. (by implication) to be rabid (figuratively, insane); also (from the exhaustion of frenzy) to languish:--faint, mad.

Brown-Driver-Briggs Hebrew Lexicon:

ּ

lâhahh

1) (Qal) to languish, faint

2) to amaze, startle

2a) (Hithpalpel) madman (substantive)

Part of Speech: verb

Relation: a primitive root

Usage:

This word is used 2 times:

 

Genesis 47:13: "of Egypt and all the land of Canaan fainted by reason of the famine."
Proverbs 26:18: " As a mad man who casteth firebrands, arrows, and death,"