ὀφέλλω · ophellō — LSJ
increase, enlarge, strengthen, raises high, multiply, add to, advance, advance, make, thrive, waxed great, prospered, increases, waxes louder
old Ep. Verb, increase, enlarge, strengthen, στόνον Il. 4.445; πόνον 16.651, Od. 2.334; ἀνδρὸς ἐρωήν Il. 3.62; δέμας δʼ ὤφελλε καὶ ἥβην Od. 16.174; ἲς ἀνέμου . . κύματʼ ὀφέλλει the force of the wind raises high the waves, Il. 15.383; μῦθον ὀ. multiply words, 16.631; ὕβριν ὀ. add to insult, Hes. Op. 213; πόλεμον καὶ δῆριν ὀ. ib. 14, cf. 33; ὄφρʼ ἂν Ἀχαιοὶ υἱὸν ἐμὸν τίσωσιν, ὀφέλλωσίν τέ ἑ τιμῇ advance him in honour, Il. 1.510; οἶκον ὀ. advance it, make it thrive, Od. 15.21, Hes. Op. 495 (hence οἰ