The story
- Proto-Indo-European*bʰel-
- Proto-Indo-European*bʰlewH-
- Proto-Indo-European*bʰluH-yé-ti?
- Latinfluō
- Latinfluor
- Englishfluoro-
- Proto-Indo-European*med-
- Proto-Indo-European*meh₁-
- Ancient Greekμέτρον (métron)
- English todayfluorometer
Etymology from Wiktionary, CC BY-SA 4.0.