The story
- Proto-Indo-European*upó
- Ancient Greekῠ̔πό (hŭpó)
- Ancient Greekὑπο- (hupo-)
- Englishhypo-
- Proto-Indo-European*per-
- Proto-Italic*peri-
- Latinper-
- Proto-Indo-European*ǵʰew-
- Proto-Indo-European*ǵʰewd-
- Proto-Indo-European*ǵʰunédti
- Proto-Italic*hundō
- Latinfundō
- Latinperfundō
- Latinperfūsiō
- Middle Frenchperfusion
- Englishperfusion
- Englishhypoperfusion
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- English todayhypoperfusional
From hypoperfusion + -al.
Etymology from Wiktionary, CC BY-SA 4.0.