English

geniospasm

From genio- + spasm.

Proto-Hellenic *génewyom

Ancient Greek γένειον ‘chin’

Ancient Greek σπάω ‘to draw out, pull out’

Ancient Greek σπασμός ‘spasm, convulsion’

Latin spasmus ‘cramp, convulsion, spasm’

Old French spasme

Middle English spasme

English spasm

Today it means

noun A movement disorder of the mentalis muscle.

Language periods are conventional ranges, not dates for this word.

Etymograph / geniospasm