κοπιάω (kopiáō|kop-ee-ah'-o|verb|to toil)
[Grk] κοπιάω LN: 23.78, 25.289, 42.47 GK: G3159 Hebrew: אוּץ‎, חָדַל‎, חוּל‎, חָלָה‎, חָלַל‎, חָשַׁל‎, יָאַל‎, יָגַע‎, יָעֵף‎, כָּשַׁל‎, לָאָה‎, עוּף‎, עָיֵף‎, עָמָל‎
Derivation: from a derivative of κόπος;
Strong's: to feel fatigue; by implication, to work hard
KJV: --(bestow) labour, toil, be wearied.
See: κόπος