βεβαιωτικός
From LSJ
ὥσπερ σελήνη γ' ἡλίῳ· τὴν μὲν χρόαν ἰδεῖν ὁμοιόν ἔστι θάλπει δ' οὐδαμῶς → like the moon to the sun: its color is similar to the eye, but it does not give off any heat
English (LSJ)
ή, όν,
A confirmatory, Epict.Ench.52, S.E.P.1.169, etc. II -κόν, τό, tax paid to the Government as warrantor of sales, BGU156.9 (iii A. D.).