philanderer
noun /fɪˈlændərə(r)/
/fɪˈlændərər/
(old-fashioned, disapproving)- a man who has sexual relationships with many different women
- He had a reputation as a philanderer.
Word Originmid 18th cent.: from the earlier noun philander ‘man, husband’, often used in literature as the given name of a lover, from Greek philandros ‘fond of men’, from philein ‘to love’ + anēr ‘man’ + -er.