IPA: //haɪˈpɜːrɡəmi//
KK: /haɪˈpɜrɡəmi/
The act of marrying someone from a higher social class or status than oneself.
She practiced hypergamy by marrying a wealthy businessman.
Hypergamy is formed from "hyper-" (meaning over or above) and "gamos" (meaning marriage). The term describes the act of marrying someone of higher socioeconomic status or social status than oneself.
Think of 'over' ('hyper-') and 'marriage' ('gamos') to remember that hypergamy refers to marrying someone of a higher status.