digamy

The story

1. Ancient Greek · derived fromδιγαμία“bigamy”
2. Latin · borrowed fromdigamia“twice married”
3. English todaydigamy

Borrowed from Latin digamia (“twice married”), from Ancient Greek διγαμία (digamía, “bigamy”), δίγαμος (dígamos), from δίς (dís, “twice”) + γάμος (gámos, “marriage”). By surface analysis, di- + -gamy.