chignon
noun /ˈʃiːnjɒn/
  /ˈʃiːnjɑːn/
 (from French)- a style for women’s hair in which the hair is pulled back and twisted into a smooth knot at the back- long hair worn in a chignon
 Word Originlate 18th cent.: from French, originally ‘nape of the neck’, based on Latin catena ‘chain’.