新妻

Etymology 1
Compound of.

First cited to roughly 1500.

Noun

 * 1)  a new bride, a newlywed wife

Etymology 2
Probably a reanalysis of, applying the expected on'yomi instead.

First cited to 1878.

Noun

 * 1)  a new bride, a newlywed wife

Usage notes
The nīzuma reading for this compound appears to be more common.