Etymograph

English

protomolecule

From proto- + molecule.

Formed from proto- + molecule

Proto-Indo-European *pér ‘through’

Proto-Indo-European *pró ‘forwards, before’

Proto-Hellenic *pró

Ancient Greek πρό ‘before’

Ancient Greek πρῶτος ‘first’

English proto-

Latin mōlēs ‘a mass’

New Latin mōlēcula

French molécule

English molecule

Today it means

noun A collection of unstably bound atoms that has the potential to form a molecule if the structure can shed sufficient energy.

Sources

Sources: Wiktionary, “protomolecule”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / protomolecule