paramour
noun /ˈpærəmʊə(r)/
/ˈpærəmʊr/
(old-fashioned or literary)- a person that somebody is having a romantic or sexual relationship with
synonym lover情人;情妇;情夫 词源Middle English: from Old French par amour ‘by love’; in English the phrase was written from an early date as one word and came to be treated as a noun.