monogamy
noun/məˈnɒɡəmi/
/məˈnɑːɡəmi/
[uncountable]- the fact or custom of being married to only one person at a particular time compare bigamy, polygamy
- the practice or custom of having a sexual relationship with only one partner at a particular time compare polyamory see also serial monogamy
Word Originearly 17th cent.: from French monogamie, via ecclesiastical Latin from Greek monogamia, from monos ‘single’ + gamos ‘marriage’.
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monogamy