unwaste

English

From un- +‎ waste. Compare Middle English unwasten (“to not consume; to not waste away”).

unwaste (third-person singular simple present unwastes, present participle unwasting, simple past and past participle unwasted)

(rare, transitive) To not waste or reverse the wasting of (something).
- 1985, Patricia Wrightson, Night Outside, page 41:
  "Well, dear. It's wicked the stuff people waste, you know, and other people without. Reg unwastes it . . . yes, that's what he does. There's fine things in fine houses, and people dusting 'em every day, that Reg has unwasted. […] "
- 2008, Christine Son, Off the Menu:
  “Trust me, I've been out with my fair share of not specials, and I don't have a time machine to unwaste my time.”