Definition of polygamize in English:
polygamize
(also polygamise)
verb pɒˈlɪɡəmʌɪzpəˈlɪɡəmʌɪz
rare no object To practise polygamy.
Origin
Early 17th century; earliest use found in Joshua Sylvester (d. 1618), poet and translator. From Hellenistic Greek πολύγαμος + -ize.