sorbĭlō, adv. [sorbeo],
sippingly; hence, transf., drop by drop , bit by bit (ante-class.): victitare, i. e. poorly , sparely , Plaut. Poen. 1, 2, 185: senectutem ducat usque ad senium sorbilo, Caecil. ap. Fest. p. 339 Müll. (Com. Rel. v. 73 Rib.).
sorbilo (ō) (-illo) —, —, āre sorbeo, to sip : cyathos paulatim, T. ...
An Elementary Latin Dictionary