I will restore to you the years — i.e., the years which would have been necessary in the ordinary course of nature for the land to recover from the ravages of the “great army.”
Related Commentaries of Joel 2:25
Joel 2:25
25 And I will restore to you the years that the locust hath eaten, the cankerworm, and the caterpiller, and the palmerworm, my great army which I sent among you.