undistant

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*dwóh₁
9. Proto-Indo-European*trísinflu.
10. Proto-Indo-European*d(w)is-
11. Proto-Italic*dis-
12. Latindis-
13. Proto-Indo-European*steh₂-
14. Proto-Indo-European*sth₂éh₁yeti
15. Proto-Italic*staējō
16. Proto-Italic*staēō
17. Latinstō
18. Latindistō
19. Latindistāns
20. Old Frenchdistant
21. Middle Englishdistaunt
22. Englishdistant
23. English todayundistant

From un- + distant.