ἁρμόσσω

From LSJ

φωνὰ τύ τίς ἐσσι καὶ οὐδὲν ἄλλο → it's all voice you are, and nothing else | it's all voice ye are, and nought else

Source

German (Pape)

[Seite 356] att. ἁρμόττω, praes. u. impf., für ἁρμόζω, w. m. s.