The story
- Englishcupro-
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰéh₂os
- Proto-Hellenic*pʰáwos
- Ancient Greekφᾰ́ος (phắos)
- Ancient Greekφῶς (phôs)
- Ancient Greekφωσφόρος (phōsphóros)
- Latinphōsphorus
- Englishphosphorus
- English todaycuprophosphorus
From cupro- + phosphorus.
Etymology from Wiktionary, CC BY-SA 4.0.