Etymograph

English

heteropentacyclic

From hetero- + pentacyclic.

Formed from hetero- + pentacyclic

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

Proto-Indo-European *sḿ̥teros

Proto-Hellenic *hə́teros

Ancient Greek ἕτερος ‘other, another, different’

English hetero-

Today it means

adj heterocyclic and pentacyclic

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

Etymograph / heteropentacyclic