חַלְחוּל

From LSJ

μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea

Source

English (Strong)

by reduplication from חוּל; contorted; Chalchul, a place in Palestine: Halhul.