Origin of birleMiddle English birlen, to serve a drink ; from Old English byrelian, akin to byrele, cup-bearer, butler, probably ; from base of beran, bear
(third-person singular simple present birles, present participle birling, simple past and past participle birled)
From Middle English birlen, from Old English byrelian (“to give or serve a drink to”), from byrele (“cup-bearer, steward, butler”), from Proto-Germanic *burilijaz (“carrier, manservant”), from *burjô (“descendant, son”), from Proto-Germanic *beraną (“to bear, carry”), from Proto-Indo-European *bʰer-, *bʰrē- (“to bear”). Related to Old English byre (“son, offspring, youth”). More at bear.