Etymograph

English

pseudoatom

From pseudo- + atom.

Formed from pseudo- + atom

Ancient Greek ψεύδω ‘to lie’

Ancient Greek ψευδής ‘false, lying’

English pseudo-

Proto-Indo-European *temh₁- ‘to cut’

…

Ancient Greek ἄτομος ‘indivisible’

Latin atomus ‘smallest particle’

Middle French athome

Middle English attome

English atom

Today it means

noun A delocalised cluster of electrons that takes the place of an atom in some structures

Sources

Sources: Wiktionary, “pseudoatom”. 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 / pseudoatom