Mourneth — Because there are none to drink it. Grief is ascribed to senseless creatures by a figure usual in all authors. Languisheth — Because there are no people left to dress it, or gather its grapes. The merry — hearted — That made their hearts merry with wine.
Related Commentaries of Isaiah 24:7
Isaiah 24:7
7 The new wine mourneth, the vine languisheth, all the merryhearted do sigh.