The story
- Proto-Indo-European*h₂ent-
- Proto-Indo-European*h₂énts
- Proto-Indo-European*h₂énti
- Ancient Greekᾰ̓ντῐ́ (ăntĭ́)
- Ancient Greekἀντι- (anti-)
- Englishanti-
- Proto-Indo-European*upó
- Ancient Greekῠ̔πό (hŭpó)
- Ancient Greekὑπο- (hupo-)
- Englishhypo-
- Proto-Indo-European*ten-
- Proto-Indo-European*tend-
- Proto-Indo-European*téndeti
- Proto-Italic*tendō
- Latintendō
- Latintēnsiō
- Middle Frenchtension
- Englishtension
- Englishhypotension
- English todayantihypotension
From anti- + hypotension.
Etymology from Wiktionary, CC BY-SA 4.0.