[dig.a.my] n, pl -mies [LL digamia, fr. LGk, fr. Gk digamos married to two people, fr. di- + -gamos -gamous] (1635): a second marriage after the termination of the first
DIGAMY
Meaning of DIGAMY in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012