unwemmed

From un- +‎ wemmed, past participle of wemman (“to blemish, spoil, wound”).

unwemmed

1. untainted, pure
   • c. 1387, Geoffrey Chaucer, "The Man of Law's Tale", Canterbury Tales

     Þe þeef fil over bord al sodeynly,
     And in þe see he dreynte for vengeance;
     And þus haþ Crist unwemmed kept Custance.