μαλακτός
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)
ή, όν,
A that can be softened, as iron, Arist. Mete.385a13, al.