The story
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Italic*per
- Latinper
- Proto-Indo-European*per-
- Proto-Italic*peri-
- Latinper-
- Englishper-
- Proto-Indo-European*bʰel-
- Proto-Indo-European*bʰlewH-
- Proto-Indo-European*bʰluH-yé-ti?
- Latinfluō
- Latinfluor
- Englishfluoro-
- Englishperfluoro-
- Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
- Aramaicכוחלא (kuḥlā)
- Arabicكُحْل (kuḥl)
- Andalusian Arabicكُحُول (kuḥūl)
- Medieval Latinalcoho
- Middle Englishalcofol
- Englishalc(ohol)
- Proto-Indo-European*swel-der.?
- Ancient Greekῡ̔́λη (hū́lē)
- Englishalkyl
- English todayperfluoroalkyl
From perfluoro- + alkyl.
Etymology from Wiktionary, CC BY-SA 4.0.