ἀγαλλιάζομαι
From LSJ
Μούνη γὰρ ἄγειν οὐκέτι σωκῶ λύπης ἀντίρροπον ἄχθος → I have no longer strength to bear alone the burden of grief that weighs me down
Spanish (DGE)
regocijarse, exultar ὁ ἀγαλλιαζόμενος ἐν κοιλίᾳ μητρὸς Didym.in Iob 57.30, ἀγαλλιαζόμεθα ... ὅτι ἐκήγερται Xριστός SB 7695.9 (VI/VII d.C.).