A.aiding, succouring, propitious, “τινί” Pi.O.2.49, A.Eu.289: abs., Id.Pr.997, S.OT206 (lyr.):—rare in Prose, beneficial, medically, Hp.Aër.10; “ἔλαιον . . ταῖς θριξὶ ἀ.” Pl.Prt.334b.
2. c. gen., serviceable, useful towards a thing, “ἀρωγὰ τῆς δίκης ὁρκώματα” A.Eu.486; γένος ναΐας ἀρωγὸν τέχνας serviceable in sea-craft, S.Aj. 357; δίψους ἀ. against thirst, Antiph.150; “πόνων” Luc.Trag.54: with Preps., “ἐπὶ ψευδέσσι” Il.4.235; “πρός τι” Th.7.62: and c. dat., “ῥίζας ἐχίεσσιν ἀ.” serviceable against, Nic. Th.636.