A more thorough explanation:

nurus

A daughter-in-law.

Nurus is a word that refers to the wife of one's son. It is a Latin word that is still used today.

• My son's wife is my nurus.
• When John got married, he gained a nurus.

In the first example, the speaker is saying that their son's wife is their nurus. This shows how the word is used to describe the relationship between a mother-in-law and daughter-in-law. In the second example, the speaker is saying that John gained a nurus when he got married. This shows how the word is used to describe the relationship between a father-in-law and daughter-in-law.