Definition of paramour

< Paramount

paramylum >

par·a·mour    (pr-mr) KEY 

NOUN:

A lover, especially one in an adulterous relationship.

---

ETYMOLOGY:
Middle English, from par amour, by way of love, passionately, from Anglo-Norman : par, by (from Latin per; see per¹ in Indo-European roots) + amour, love (from Latin amor, from amre, to love)