gamo-, gam-, -gamy, -gamous ये सभी Greek root words है और इनका मतलब marriage, union; wedding या pertaining to sexual union होता है।
bigamy - illegal marriage to more than one person at a time
endogamy - marriage only within one clan or tribe
exogamy - the custom of marrying only outside one's clan or tribe
monogamy - marriage to only one person at a time
polygamy - marriage to more than one person at a time