leaven, μικρὰ ζύμη ὅλον τὸ φύραμα ζ. 1 Ep.Cor. 5.6:—Pass., to be leavened, ferment, LXX Ex. 12.34, 39, Plu. QConv. 2.659b, etc.; of digestion, τὰ μέλανα -οῦται Hp. Acut. 61; [κοιλίη] ἐζυμωμένη in a ferment, Id. VM 11.
cause to effervesce, γῆν Gal. 10.964, Aët. 1 Praef.:—Pass., ζυμουμένη [χύτρα] Alex. 124.8.