The story
- Proto-Indo-European*h₂ent-
- Proto-Indo-European*h₂énts
- Proto-Indo-European*h₂énti
- Ancient Greekᾰ̓ντῐ́ (ăntĭ́)
- Ancient Greekἀντι- (anti-)
- Englishanti-
- Proto-Italic*wre-
- Latinre-
- Latinretrō
- Englishretro-
- Proto-Indo-European*weys-
- Proto-Indo-European*wisós
- Proto-Italic*weizos
- Latinvīrus
- Middle Englishvirus
- Englishvirus
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishviral
- Englishretroviral
- English todayantiretroviral
From anti- + retroviral.
Etymology from Wiktionary, CC BY-SA 4.0.