bithiazole

The story

1. Proto-Indo-European*dwóh₁
2. Proto-Indo-European*dwi-
3. Proto-Italic*dwi-
4. Latinbi-
5. Englishbi-
6. Proto-Indo-European*dʰewh₂-der.?
7. Ancient Greekθέειον (théeion)
8. Ancient Greekθεῖον (theîon)
9. Englishthio-
10. Proto-Indo-European*né
11. Proto-Indo-European*n̥-
12. Proto-Hellenic*ə-
13. Ancient Greekᾰ̓- (ă-)
14. Proto-Indo-European*gʷeyh₃-
15. Proto-Indo-European*gʷih₃wós
16. Proto-Indo-European*gʷíh₃weti
17. Proto-Hellenic*gʷyṓw-ō
18. Proto-Hellenic*d͏̌ṓwō
19. Ancient Greekζώω (zṓō)
20. Ancient Greekζῶ (zô)
21. Ancient Greekζωή (zōḗ)
22. Frenchazote
23. Englishazote
24. Englishazo-
25. Englishazole
26. Englishthiazole
27. English todaybithiazole

From bi- + thiazole.