English

hyperdensity

From hyper- + density.

Proto-Indo-European *úp

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

Proto-Hellenic *hupér

Ancient Greek ὑπέρ ‘over’

Middle French densité

Today it means

noun An unusually high density (on an X-ray plate etc)

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

Etymograph / hyperdensity