Morpheme
M(o)ustache
Type
free base
Denotation
facial hair above the upper lip
Etymology
Middle French moustache; Italian mostaccio; Early Medieval Latin mustācium; Byzantine Greek moustákion; Ancient Greek mústax
Evidence
moustache, moustached, moustaches, moustachio, moustachioed, mustache, mustaches, mustachio
Notes
Mustache more common in American English
