μελάγκραιρα
From LSJ
Ὁ μὲν βίος βραχύς, ἡ δὲ τέχνη μακρή, ὁ δὲ καιρὸς ὀξύς, ἡ δὲ πεῖρα σφαλερή, ἡ δὲ κρίσις χαλεπή → Life is short, art long, opportunity fleeting, experience misleading and judgment difficult
English (LSJ)
ἡ,
A black-haired, of the Sibyl, Lyc.1464, Arist.Mir.838a9.
Greek (Liddell-Scott)
μελάγκραιρα: ἡ, ἡ μελανόθριξ τῆς Σεβίλλης, Λυκόφρ. 1464, Ἀριστ. π. Θαυμασ. 95.