English
hyperoxygenation
From hyper- + oxygenation.
Formed from hyper- + oxygenation
Proto-Indo-European *úp
Proto-Indo-European *upér ‘over, above’
Proto-Hellenic *hupér
Ancient Greek ὑπέρ ‘over’
English hyper-
Today it means
noun The administration of a higher than usual concentration of oxygen, or the condition of having such a concentration of oxygen.
Language periods are conventional ranges, not dates for this word.
Etymograph / hyperoxygenation