panache pronunced like mustache, which can be worn with panache (not by me)
5Fr < OFr pannache < OIt pennacchio < LL(Ec) pinnaculum, tuft, plume: see PINNACLE6
1 a plume of feathers, esp. on a helmet
2 dashing elegance of manner; carefree, spirited self-confidence or style; flamboyance