diazine

The story

1. Proto-Indo-European*dwóh₁
2. Proto-Indo-European*dwi-
3. Proto-Hellenic*dwi-
4. Ancient Greekδῐ- (dĭ-)
5. Latindi-
6. Englishdi-
7. Proto-Indo-European*né
8. Proto-Indo-European*n̥-
9. Proto-Hellenic*ə-
10. Ancient Greekᾰ̓- (ă-)
11. Proto-Indo-European*gʷeyh₃-
12. Proto-Indo-European*gʷih₃wós
13. Proto-Indo-European*gʷíh₃weti
14. Proto-Hellenic*gʷyṓw-ō
15. Proto-Hellenic*d͏̌ṓwō
16. Ancient Greekζώω (zṓō)
17. Ancient Greekζῶ (zô)
18. Ancient Greekζωή (zōḗ)
19. Frenchazote
20. Englishazote
21. English todaydiazine

di- + az(ote) + -ine