גָּדַף

From LSJ

φύγωμεν οὖν τὴν συνήθειαν ... ἄγχει τὸν ἄνθρωπον, τῆς ἀληθείας ἀποτρέπει → so let's stay away from the habitual ... it strangles us, turns us away from the truth

Source

English (Strong)

a primitive root; to hack (with words), i.e. revile: blaspheme, reproach.