γαυρύνομαι
From LSJ
τὸ ἐγδοχῖον τοῦ ὕδατος καὶ τὰ ἐν τῆι πόλει ὑδραγώγια → the water reservoir and the conduits in the city (or on the acropolis)
Spanish (DGE)
estar orgulloso de, jactarse de c. part. pred. δῶρα ἀμισῶς ἀποδίδων γαυρύνομαι IHadrian.24.7 (I a.C.).