had been retreading

• past perfect progressive

  past perfect progressive

  Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.

  of retread.
  retread

  verb (used with object)

  to put a new tread on (a worn pneumatic tire casing) either by recapping or by cutting fresh treads in the smooth surface.

Related Words

• compensate for
• correct
• heal
• improve
• mend
• overhaul
• patch
• rebuild
• recover
• rectify
• refurbish
• remedy
• renovate
• retrieve
• revamp
• revive