unpolitical

The story

1. Proto-Indo-European*né
2. Proto-Indo-European*n̥-
3. Proto-Germanic*un-
4. Proto-West Germanic*un-
5. Old Englishun-
6. Middle Englishun-
7. Englishun-
8. Proto-Indo-European*tpelH-
9. Proto-Hellenic*ptólis
10. Ancient Greekπόλις (pólis)
11. Ancient Greekπολῑ́της (polī́tēs)
12. Ancient Greekπολιτικός (politikós)
13. Latinpolīticus
14. Middle Frenchpolitique
15. Englishpolitic
16. Proto-Indo-European*h₂el-
17. Proto-Indo-European*h₂élisder.?
18. Englishpolitical
19. English todayunpolitical

From un- + political.