χρυσοκόλλα
From LSJ
νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
English (LSJ)
ἡ, A gold-solder, malachite, basic copper carbonate, Arist. Mir.834b20, Thphr.Lap.26.40, Dsc.5.74,89, Plin.HN33.86. II a dish of linseed and honey, Alcm.74B.