English

trisyllable

From tri- + syllable.

A compound of tri- + syllable

Proto-Indo-European *tri- ‘three, threefold’

Proto-Italic *tri- ‘three, tri-’

English tri-

Proto-Hellenic *hlagʷ-

…

Latin syllaba

Old French sillebe

Anglo-Norman sillable

Middle English syllable

Today it means

noun A word of three syllables.

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

Etymograph / trisyllable