אָבַק

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

Source

English (Strong)

a primitive root, probably to float away (as vapor), but used only as denominative from אָבָק; to bedust, i.e. grapple: wrestle.