ζέμα
From LSJ
τέχνη δὲ ἄνευ ἀλκῆς οὐδὲν ὠφελεῖ (Thucydides 2.87.4.6) → η τέχνη απαιτεί κουράγιο, skill without heart is useless
English (LSJ)
ατος, τό, (ζέω)
A fermentation, Herasap.Gal.13.1044: metaph., lewdness, LXXJd.20.6. II boiling, ἐνδοὺς ζέμα bringing it to the boil, Herasap.Gal.13.548; δὸς ζέμα keep it on the boil, Orib.Fr.113; ὄρνις ἀπὸ ζέματος a boiled fowl, Alex.Trall.Febr.1. 2 that which is boiled, decoction, Dsc.Alex.7, Gp.8.37.3:—also ζέμμα, LXX Ez.24.13.
German (Pape)
[Seite 1137] τό, das Siedende. Heiße, VLL. Bei Galen. ζέμμα geschr., wie das dim. ζεμμάτιον.