English

hyperhelium

From hyper- + helium.

Proto-Indo-European *úp

Proto-Indo-European *upér ‘over, above’

Proto-Hellenic *hupér

Ancient Greek ὑπέρ ‘over’

Proto-Indo-European *sóh₂wl̥ ‘sun’

Proto-Hellenic *hāwélios ‘sun’

Ancient Greek ἥλιος ‘sun’

New Latin helium

Today it means

noun A nuclear complex formed from a helium nucleus by replacement of a neutron by a hyperon

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

Etymograph / hyperhelium