Origin: before 900;Middle Englishdrenchen,Old Englishdrencan, causative of drincan to drink; cognate with Dutchdrenken,Germantränken to water, give to drink
from O.E. drencan "cause to drink," caus. of drincan "to drink," from P.Gmc. *drankijan. In M.E., it meant "to drown;" sense of "to wet thoroughly by throwing liquid over" is from c.1550. Related: Drenched; drenching.