Strong's #8501: takak (pronounced taw-kawk')
from an unused root meaning to dissever, i.e. crush:--deceitful.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
tâkâk
1) injury, oppression, oppressor
Part of Speech: noun masculine
Relation: from an unused root meaning to dissever, i.e. crush
Usage:
This word is used 1 times:
Proverbs 29:13: "The poor and the deceitful man meet together: the LORD lighteneth both their eyes."