LAT

Lewis Short

(adverb) : sorbĭlō, id.
* 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.).
Charlton T. Lewis, Charles Short, A Latin Dictionary
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