/aʊtˈmærɪdʒ/ – Noun
Definition: tạp hôn.
A more thorough explanation: “Outmarriage” refers to the act of marrying someone outside of a particular group, such as a family, community, or social class. It can also refer to marrying someone from a different race, religion, or nationality.
Example: The outmarriage of a member of the royal family may have significant implications for the succession to the throne.