Origin: 1925–30; < F: orig., the fillet below an ovolo, projecting part of a cornice; hence, with the common sense “what protrudes,” prob. deriv. of
moucher to cut or knock off (something protruding) (
see -ette ), appar. extended sense of
moucher to wipe (a person's) nose < VL
*muccāre, deriv. of L
muccus, mūcus mucus 
[moo-shet] 
