This is the word that the LORD hath spoken concerning Moab since that time. This (is) the word that the Lord hath spoken concerning Moab since that time. The Arabic translates х mee'aaz (H227)] it 'formerly,' in contrast to "But now" (Isaiah 16:14): heretofore former prophecies (Exodus 15:15; Numbers 21:29) have been given as to Moab, of which Isaiah has given the substance; but now a definite and sure time also is fixed. Since the time that Moab cursed Israel (Numbers 22:5-6), and sinned, through pride and wrath, against God's people (Isaiah 16:6), so that God excluded Moab forever from the congregation of His people (Deuteronomy 23:3-4).
Related Commentaries of Isaiah 16:13
Isaiah 16:13
13 This is the word that the LORD hath spoken concerning Moab since that time.