θιχθῆναι

From LSJ

τὸ πολὺ τοῦ βίου ἐν δικαστηρίοις φεύγων τε καὶ διώκων κατατρίβομαι → waste the greater part of one's life in courts either as plaintiff or defendant

Source

Russian (Dvoretsky)

θιχθῆναι: Sext. inf. aor. pass. к θιγγάνω.