Strong's #1742: davvay (pronounced dav-voy')

from 1739; sick; figuratively, troubled:--faint.

Brown-Driver-Briggs Hebrew Lexicon:

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davvây

1) faint (of heart)

Part of Speech: adjective

Relation: from H1739

Usage:

This word is used 3 times:

 

Isaiah 1:5: "head is sick, and the whole heart faint."
Jeremiah 8:18: "myself against sorrow, my heart is faint in"
Lamentations 1:22: "my sighs are many, and my heart is faint."