appair

verb2

1. •
   (no longer used) To make worse; to injure or damage.

   • The ancient lawes, usages, customes, and franchises of the Realm, have been, and be greatly appaired, blemished, and confounded […] — 1643
2. •
   (no longer used) To become impaired; to grow worse.

   • I see the more that I them forbear The worse they be from year to year — 1510