Oxford English Dictionary - Canterbury Tales - 3 definitions

• Joust
  • a medieval sports contest in which two opponents on horseback fought with lances.
          
           Origin: 
    
    

           Middle English (originally in the sense 'join battle, engage'): from Old French jouster 'bring together', based on Latin juxta 'near'

  Chastity
  • the state or practice of refraining from extramarital, or especially from all, sexual intercourse:vows of chastity

    Origin:

    Middle English: from Old French chastete, from Latin castitas, fromcastus 'morally pure'

  
  
  Manifold
  • many and various:the implications of this decision were manifold

    Origin:

    Old English manigfeald; current noun senses date from the mid 19th century