קָנַן
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
English (Strong)
a primitive root; to erect; but used only as denominative from קֵן; to nestle, i.e. build or occupy as a nest: make...nest.
