Thy — The branches being cut down and thrown upon the ground, with the unripe grapes upon them. Left — They shall lie upon the earth, so that either birds or beasts may shelter themselves with them, or feed on them, both summer and winter.
Related Commentaries of Isaiah 18:6
Isaiah 18:6
6 They shall be left together unto the fowls of the mountains, and to the beasts of the earth: and the fowls shall summer upon them, and all the beasts of the earth shall winter upon them.