English
inogen
Inogen comes from Ancient Greek ἴς ‘power, muscle’, from Proto-Indo-European *wéyHs ‘force, strength’, and ultimately from *weyh₁- ‘to chase, pursue’.
- Proto-Indo-Europeanc. 4500–2500 BCE*weyh₁-1‘to chase, pursue’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*wéyHs1‘force, strength’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*wīs1reconstructed
- Ancient Greekc. 800–300 BCEἴς2ís‘power, muscle’
- Englishtodayinogen2
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Ancient Greek ἴς
- 2 Wiktionary, English inogen
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*weyh₁-Wiktionary, Ancient Greek ἴς‘to chase, pursue’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*wéyHsWiktionary, Ancient Greek ἴς‘force, strength’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*wīsWiktionary, Ancient Greek ἴςreconstructed
- Ancient Greekc. 800–300 BCEἴςWiktionary, English inogenís‘power, muscle’
- EnglishtodayinogenWiktionary, English inogen
Linked words
through Proto-Indo-European *weyh₁- ‘to chase, pursue’
previous, obvious, virtual, virtue, inevitable, convey, trivial, voyage, trivia, deviation, virtuous, envoy, deviant, virtuoso, wer, viaduct, ochre, venison, virile, virility, virago, trivium, obviate, 50 more
through Proto-Indo-European *wéyHs ‘force, strength’
violent, violation, violate, vis, vengeance, vindication, avenge, vim, violator, inviolable, 16 more
Today it means
noun A complex nitrogenous substance formerly hypothesized to be continually decomposed and reproduced in the muscles during life.
Sources
Sources: Wiktionary, “inogen”; the older steps come from the Wiktionary entry for Ancient Greek ἴς. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *weyh₁- / inogen