The story
- Proto-Indo-European*de
- Proto-Indo-European*déh₁
- Proto-Italic*dē
- Latindē
- Latindē-
- Englishde-
- Egyptiannṯr
- Egyptiannṯrj
- Ancient Greekνῐ́τρον (nĭ́tron)
- Englishnitro-
- Proto-Indo-European*dʰeh₁-
- Proto-Italic*θakos
- English todaydenitrify
Etymology from Wiktionary, CC BY-SA 4.0.