A.discharge from a sore, matter, Hp.Aph.2.47, Arist. GA777a11, etc.: pl. “πύα” Hp.Int.2, Aret.SD1.10, etc.: also πύος , εος, τό, Hp.Morb.1.15, al., IG42(1).122.55,58 (Epid., iv B.C.), Aret. SA2.1; cf. πύον τὸ ἔμπυον τὸ καὶ πύος Hdn.Gr.1.376 codd. Arc.
II. = πυός, Emp.68.