λειόω
From LSJ
Ἐκ τῶν πόνων τοι τἀγάθ' αὔξεται βροτοῖς → Crescunt labore cuncta bona mortalibus → Das Gute wächst den Sterblichen aus ihrem Müh'n
English (LSJ)
A make smooth, Aq.Pr.28.23:— Pass., to be polished, smoothed, Arist.Col.793a16, Heliod. ap. Orib.46.12.2. II pound fine, triturate, Gal.UP11.8, PSI6.718.4 (iv/v A.D.):—Pass., Ruf. ap. Orib.8.47.4, Marc.Sid.83. 2 emulsify, levigate, κόμμι Critoap.Gal.13.36, cf. Ps.-Democr.Alch.p.55 B.