English
hypervirulent
From hyper- + virulent.
Proto-Indo-European *úp
Proto-Indo-European *upér ‘over, above’
Proto-Hellenic *hupér
Ancient Greek ὑπέρ ‘over’
English hyper-
Proto-Indo-European *weys- ‘to flow’
…
Proto-Italic *weizos
Latin vīrus ‘poison’
Latin vīrulentus ‘poisonous’
Middle English virulent ‘leaking or seeping pus, purulent’
English virulent
Today it means
adj Extremely virulent.
Language periods are conventional ranges, not dates for this word.
Etymograph / hypervirulent