English

enneameter

From ennea- + meter.

Proto-Indo-European *h₁néwn̥ ‘nine’

Proto-Hellenic *ennéwə ‘nine’

Ancient Greek ἐννέα ‘nine’

Middle English metere ‘one who measures, measurer’

English meter

Today it means

noun A line of verse containing nine metrical feet

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

Etymograph / enneameter