unred

From Middle English unrede (“not red, pale, whitish”), from Old English *unrēad, from Proto-West Germanic *unraud (“not red”), equivalent to un- +‎ red. Cognate with Old High German unrōt (“not red, whitish”).

unred (not comparable)

1. (uncommon) Not red.
   • 2003, M. Estep, A Theory of Immediate Awareness: Self-Organization and Adaptation in Natural Intelligence, Springer,, →ISBN, page 98:

     Nothing can be red and unred all over at the same time for the same viewer.

• nuder, under-, urned, Ruden, runed, under, Düren, Duren, ruden, Rendu