Dunghill (κοπριαν). Later word in the Koine vernacular. Here only in the N.T., though in the LXX.

Men cast it out (εξω βαλλουσιν αυτο). Impersonal plural. This saying about salt is another of Christ's repeated sayings (Matthew 5,13Markus 9,50Lukas 8,8Lukas 14,35Matthäus 11,15Matthäus 13,43