Webster's Revised Unabridged Dictionary · 1913

Helpmate

Helpmate , noun

[A corruption of the “help meet for him” of Genesis ii. 18.Fitzedward Hall.]

A helper; a companion; specifically, a wife. — Fitzedward Hall
help meet for him — Genesis ii. 18
In Minorca the ass and the hog are common helpmates, and are yoked together in order to turn up the land. — Pennant
A waiting woman was generally considered as the most suitable helpmate for a parson. — Macaulay