English

heterometric

From hetero- + metric.

Proto-Indo-European *sem- ‘one, whole’

Proto-Indo-European *sḿ̥teros

Proto-Hellenic *hə́teros

Ancient Greek ἕτερος ‘other, another, different’

New Latin metricus ‘pertaining to the system based on the meter’

French métrique

Today it means

adj Having variable meter

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

Etymograph / heterometric