sub verbo

From LSJ

εὐλογητὸς ὁ Θεὸς ἡμῶν πάντοτε, νῦν καὶ ἀεὶ καὶ εἰς τοὺς αἰῶνας τῶν αἰώνων → blessed is our God always, now and ever, and to the ages of ages

Source

sub verbo (s.v., s. v.) = under the word, under the words