English

enneasyllable

From ennea- + syllable.

Proto-Indo-European *h₁néwn̥ ‘nine’

Proto-Hellenic *ennéwə ‘nine’

Ancient Greek ἐννέα ‘nine’

Proto-Hellenic *hlagʷ-

…

Latin syllaba

Old French sillebe

Anglo-Norman sillable

Middle English syllable

Today it means

noun line of verse with nine syllables

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

Etymograph / enneasyllable