πήσσω
From LSJ
ἀλλ' εἰ μὲν ἁγνόν ἐστί σοι Πειθοῦς σέβας, γλώσσης ἐμῆς μείλιγμα καὶ θελκτήριον → but if you have holy reverence for Persuasion, the sweetness and charm of my tongue
English (LSJ)
Att. πήττω, later form for πήγνυμι, LXX Si.14.24, Ph.1.420, Dsc.4.188, Arr.Epict.1.19.4, S.E.M.9.247, (κατα-) Str.4.3.5, D.H.3.22 : impf.
A ἔπησσον Satyr.1 :—Pass. πήττομαι Antig.Mir.174, Str.13.4.14, 7.3.18 (συμ-).