English
enterovirulent
From entero- + virulent.
Formed from entero- + virulent
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁énteros ‘inside, within’
Ancient Greek ἔντερον ‘intestine’
English entero-
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 virulent within the intestines
Language periods are conventional ranges, not dates for this word.
Etymograph / enterovirulent