ἐγκαυχάομαι
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)
A pride oneself on, ἔν τινι LXX Ps.73(74).4; τινί Aesop. 230, Eustr.in EN272.14.
German (Pape)
[Seite 707] sich womit brüsten, prahlen, τινί, LXX., K. S.