κατεπ-ᾴδω · katep-aidō — LSJ
subdue by song, enchantment, overcome by a spell, soothe
subdue by song or enchantment, τινα Pl. Grg. 483e, Men. 80a, Plu. Dio 14, Lib. Or. 64.91; τὰς τῶν νέων ψυχάς Max.Tyr. 23.3; overcome by a spell, Phld. Lib. p.290.; soothe, τινος Ach.Tat. 7.10.
2 sing by way of enchantment
sing by way of enchantment, Id. 2.7.
II to be always repeating
to be always repeating, Ph. 2.304, Anon. ap. Suid., Hld. 7.10, Ach.Tat. 2.19.