plantodistal

The story

1. Proto-Indo-European*pleth₂-?
2. Proto-Indo-European*pel-?
3. Proto-Indo-European*pleh₂-
4. Proto-Indo-European*pléh₂-n̥t-eh₂
5. Proto-Italic*plāntā?
6. Proto-Indo-European*pleh₂k-
7. Proto-Indo-European*pl̥h₂nk /*gteh₂
8. Proto-Italic*plānktā
9. Latinplanta
10. Englishplanto-
11. Proto-Indo-European*dwóh₁
12. Proto-Indo-European*trísinflu.
13. Proto-Indo-European*d(w)is-
14. Proto-Italic*dis-
15. Latindis-
16. Proto-Indo-European*steh₂-
17. Proto-Indo-European*sth₂éh₁yeti
18. Proto-Italic*staējō
19. Proto-Italic*staēō
20. Latinstō
21. Latindistō
22. Latindistāns
23. Old Frenchdistant
24. Middle Englishdistaunt
25. Englishdistant
26. Proto-Indo-European*h₂el-
27. Proto-Indo-European*h₂élisder.?
28. Englishdistal
29. English todayplantodistal

From planto- + distal.