ob-dulco — Lewis & Short
ob-dulco, 1,
I v. a., to sweeten, make sweet (post-class.):
aliquid sale,Cael. Aur. Tard. 3, 8, 146; 4, 1, 12:
fauces, Ambros. Hexaëm. 5, 12: obdulcatus panis,Cael. Aur. Tard. 3, 8 med.:
fontes amari obdulcati,Vulg. Judith, 5, 15.