bureaucratically

The story

1. Proto-Indo-European*péh₂wr̥
2. Proto-Hellenic*pāwər
3. Ancient Greekπῦρ (pûr)
4. Ancient Greekπῠρρός (pŭrrhós)
5. Latinburrus
6. Latinburra
7. Old French*bure
8. Old Frenchburel
9. Frenchbureau
10. Proto-Indo-European*kret-
11. Ancient Greekκρᾰ́τος (krắtos)
12. Frenchbureaucratie
13. Frenchbureaucrate
14. Frenchbureaucratie
15. Frenchbureaucratique
16. Englishbureaucratic
17. Proto-Indo-European*h₂el-
18. Proto-Indo-European*h₂élisder.?
19. Proto-Indo-European*leyg-
20. Proto-Germanic*līką
21. English todaybureaucratically

From bureaucratic + -ally.