bridal (adj.)youdaoicibaDictYouDict[bridal 词源字典]
mid-15c., transferred use of noun bridal "wedding feast," Old English brydealo "marriage feast," from bryd ealu, literally "bride ale" (see bride + ale); second element later confused with suffix -al (1), especially after c. 1600.[bridal etymology, bridal origin, 英语词源]