adulter1
/əˈdʌltə/(also advouter) Now rare (archaic and historical in later use)
noun
An adulterer, especially a male one.
- Now chiefly with reference to Biblical and ancient Roman usage (sometimes opposed to feminine adultera)..
Origin
Late Middle English; earliest use found in The Wycliffite Bible (early version). From (i) Anglo-Norman avoutere, avouteire, avouter, avoutour, advouter, advoutoure and Middle French avoutre, also adultere, also adultre, used as both noun and adjective.
adulter2
/əˈdʌltə/Now rare
verb
1 [no object] To commit or practise adultery.
- In later use nonstandard or humorous ..
2 [with object] To corrupt, debase, dilute the purity of (literally or figuratively).
Origin
Late Middle English; earliest use found in The Wycliffite Bible (early version). From Middle French avoultrer, advoultrer, also Middle French adulterer to commit adultery, to alter, corrupt, falsify and its etymon classical Latin adulterāre to commit adultery (with), to defile by adultery, to mix (a substance) with another, to impair the purity or strength of, to counterfeit, to falsify or tamper with, to corrupt, debase from ad to + alter another.