γαυριόομαι

From LSJ

καὶ οὐκ ἔστιν πᾶν πρόσφατον ὑπὸ τὸν ἥλιον → and there's nothing new under the sun (Eccl. 1:9 LXX)

Source

Spanish (DGE)

mostrarse arrogante, fiero λαὸς ... ὡς λέων γαυριωθήσεται LXX Nu.23.24.