helpmate
/ˈhelpmeɪt/(亦作 helpmeet /-miːt/ )
noun
- a helpful companion or partner, especially one's husband or wife有帮助的同伴（或伴侣）（尤指丈夫或妻子）。
词源
late 17th cent. （as helpmeet）： from an erroneous reading of Gen. 2:18, 20, where Adam's future wife is described as 'an help meet for him' （i.e. a suitable helper for him）. The variant helpmate came into use in the early 18th cent.