trigamous
trigamous[ˈtrɪgəməs]adjective- having three wives or husbands at the same time
同时拥有三个妻子(或丈夫)的
派生trigamistnountrigamynoun语源- mid 19th cent.: from Greek trigamos (from tri- 'three' + gamos 'marriage') + -ous. The nouns trigamist and trigamy date from the mid 17th cent
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