The following from M-W seems to fit:
Main Entry:wage
Function:noun
Etymology:Middle English, pledge, wage, from Old North French, of Germanic origin; akin to Gothic wadi pledge— more at WED
Date:14th century

1 a : a payment usually of money for labor or services usually according to contract and on an hourly, daily, or piecework basis — often used in plural b plural : the share of the national product attributable to labor as a factor in production
2 : RECOMPENSE, REWARD — usually used in plural but sing. or plural in constr. *the wages of sin is death— Rom 6:23 (Revised Standard Version)*