Spousal (adjective)

1. Relating to a married partner, especially a wife or husband.
2. Relating to the relationship between a married couple.

Origin:

From the word "spouse" which means a married partner, it refers to something that is related to a married partner.

Examples:

1. Spousal support is money paid to a divorced spouse.
2. Spousal abuse is a form of domestic violence.
3. The spousal agreement was a legal document that outlined how the couple would divide their assets in case of divorce.
4. He was granted spousal visa to join his wife in the country.
5. The spousal therapy helped the couple to improve their communication skills.