preconceptually

The story

1. Proto-Indo-European*per-
2. Proto-Indo-European*preh₂-
3. Proto-Indo-European*préh₂i?
4. Proto-Italic*prai
5. Proto-Italic*prai-
6. Latinprae-
7. Middle Englishpre-
8. Englishpre-
9. Proto-Indo-European*ḱe?
10. Proto-Indo-European*ḱóm
11. Proto-Italic*kom
12. Proto-Italic*kom-
13. Latincon-
14. Proto-Indo-European*kap-
15. Proto-Indo-European*kapyéti
16. Proto-Italic*kapjō
17. Latincapiō
18. Ancient Greekσῠλλᾰμβᾰ́νω (sŭllămbắnō)
19. Latinconcipiō
20. Latinconceptus
21. Proto-Indo-European*h₂el-
22. Proto-Indo-European*h₂élisder.?
23. Medieval Latinconceptuālis
24. Englishconceptual
25. Proto-Indo-European*leyg-
26. Proto-Germanic*līką
27. Englishconceptually
28. English todaypreconceptually

From pre- + conceptually.