ETYMOLOGY
aphetic formed on avouter (an adulterer, esp. a male one);
in its oldest form from Old French avoutre, aoutre
EXAMPLE
“…For in þis werlde is no doge for þe bowe
þat knowe an hurt dere fro an holde bet cowe
þan þis Somenour knewe a licour
Or a vouter or elles a paramour
And for þat was þe fruyte of al þe rente
Ther-for on it he set al his entente…”
From: The Lansdowne Manuscript of Chaucer’s Canterbury Tales,
Geoffrey Chaucer, c1386
Lexicophilia 