דָּת

From LSJ

εἰς πέλαγος σπέρµα βαλεῖν καὶ γράµµατα γράψαι ἀµφότερος µόχθος τε κενὸς καὶ πρᾶξις ἄκαρπος → throwing seeds and writing letters at sea are both a vain and fruitless endeavor

Source

English (Strong)

(Aramaic) corresponding to דָּת; decree, law.
of uncertain (perhaps foreign) derivation: a royal edict or statute: commandment, commission, decree, law, manner.