Galahad

Etymology
From, of obscure origin and meaning. Suggestions include Old Welsh, or biblical Gilead.

Proper noun

 * , son of Sir, a of King Arthur's Round Table famously known for his purity and who was one of the three achievers of the quest for the.
 * 1)   in occasional use since the 19th century.

Noun

 * 1) A man considered to be pure, noble, or chivalrous.