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-
- Proto-Indo-European*pénkʷe
- Proto-Hellenic*pénkʷe
- Ancient Greekπέντε (pénte)
- Ancient Greekπεντᾰ- (pentă-)
- Englishpenta-
- Frenchanthracène
- Englishanthraceneclip.
- Englishacene
- Englishpentacene
- English todayperfluoropentacene
From perfluoro- + pentacene.
Etymology from Wiktionary, CC BY-SA 4.0.