The story
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰéh₂os
- Proto-Hellenic*pʰáwos
- Ancient Greekφᾰ́ος (phắos)
- Ancient Greekφῶς (phôs)
- Ancient Greekφωσφόρος (phōsphóros)
- Latinphōsphorus
- Englishphosphorus
- Englishphospho-
- GermanEthy
- Englishethyl
- Englishalcohol
- Englishethyl
- Englisheth-
- Englishethane
- Englishalcohol
- Englishethanol
- Ancient GreekᾸ̓́μμων (Ắmmōn)
- LatinAmmōn
- Latinammoniacus
- Englishammonia
- Englishamine
- Englishethanolamine
- English todayphosphoethanolamine
From phospho- + ethanolamine.
Etymology from Wiktionary, CC BY-SA 4.0.