σπίλωμα
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
English (LSJ)
ατος, τό,
A defilement, stain, Aq.Is.13.12 (Auct. p.29 Field);= refined gold in Aq.Is.13.12. II mole, birthmark, Hld.10.15.
German (Pape)
[Seite 921] τό, Fleck, Schmutz, LXX.