ἐκμελαίνομαι
From LSJ
και ἅμα ἐλευθέραν καὶ εὐδοξοτάτην πόλιν διὰ παντὸς νεμόμεθα και δύναται μάλιστα σωφροσύνη ἔμφρων τοῦτ᾿ εἶναι → Just remember, we're a people with a long-standing reputation for freedom, a people held in the highest honor. Slowness to act can be nothing more than a mark of clear-headed self-control (Spartan King Archidamus)
English (LSJ)
A to be darkened, grow dark, Heraclit.All.39; ὑπὸ [νυκτός] ib.45.
Greek (Liddell-Scott)
ἐκμελαίνομαι: παθ., γίνομαι κατάμαυρος, Κλήμ. Ἀλ. 45.
Spanish (DGE)
oscurecerse las nubes en invierno, Heraclit.All.39, τόπος ὑπὸ ταύτης (νυκτός) Heraclit.All.45
•ennegrecerse (καπνός) ᾧ ... τυφόμενοι ἐκμελαίνονται de ídolos, Clem.Al.Protr.4.51.