Etymograph

English

electrocyclic

From electro- + cyclic.

A compound of electro- + cyclic

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

English electro-

Proto-Indo-European *kʷékʷlos ‘circle, wheel’

…

Ancient Greek κυκλῐκός ‘circular’

Classical Latin cyclicus ‘of a cycle, cyclic’

Middle French cyclique

French cyclique ‘cyclic, cyclical’

English cyclic

Today it means

adj Describing a molecular rearrangement in which a covalent single bond is formed between the ends of a fully conjugated system resulting in a cyclic compound with one fewer double bonds

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

Etymograph / electrocyclic

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