Origin: bef. 1000; late ME (Scots) brydgrome, alter. of ME bridegome, OE brȳdguma (brȳdbride1+ guma man, c. L homō), with final element conformed to groom
bride·groom (brīd'grōōm', -grŏŏm') n. A man who is about to be married or has recently been married.
[Alteration (influenced by groom) of Middle English bridegome, from Old English brȳdguma : brȳd, bride; see bride + guma, man; see dhghem- in Indo-European roots.]