WITTOL
wittol
(noun) an archaic term for a cuckold who knows about his wife’s infidelity but tolerates it
Source: WordNet® 3.1
Etymology
Noun
wittol (plural wittols)
(archaic) A man who knows and tolerates his wife's infidelity with another man or men; a cuckold.
(UK, dialect, obsolete) A bird, the wheatear.
Source: Wiktionary
Wit"tol, n. Etym: [Said to be for white tail, and so called in
allusion to its white tail; but cf. witwal.]
1. (Zoöl.)
Definition: The wheatear. [Prov. Eng.]
2. A man who knows his wife's infidelity and submits to it; a tame
cuckold; -- so called because the cuckoo lays its eggs in the
wittol's nest. [Obs.] Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition