connubial

Etymology

1650s, from Latin connūbiālis, from connūbium (“marriage, wedlock”) (variants of cōnūbiālis (“pertaining to wedlock”), from cōnūbium (“marriage, wedlock”)) from com- (“together”) (English com-) + nūbō (“marry, to take as husband”) (from which nubile) from Proto-Indo-European *snewbʰ- (“to marry, to wed”).