καταπέσσω · katapessō — LSJ
digest food, Diocl. Fr. 141:—esp. in Pass., Arist. GA 756b11; ἕως ἂν καταπεφθῇ [ἡ τροφή] Id. Somn.Vig. 457b19, cf. Hippiatr. 46.
metaph., digest, keep from rising, χόλον Il. 1.81; -πέψαι μέγαν ὄλβον, i.e. bear great fortune meekly, Pi. O. 1.55.