LSJ
Dor. ἁδύλογος, Aeol. ἀδύλογος, ον, sweetspeaking, sweet-voiced, Sappho Oxy. 1787 Fr. 11.4; σοφία Cratin. 238, Timo 67.4; λύραι μολπαί τε Pi. O. 6.96; Χάρις AP 5.136 (Mel.); γλῶσσα ib. 7.159 (Nicarch.).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)