hyperfictional

The story

1. Proto-Indo-European*úp
2. Proto-Indo-European*upér
3. Proto-Hellenic*hupér
4. Ancient Greekῠ̔πέρ (hŭpér)
5. Ancient Greekῠ̔περ- (hŭper-)
6. Englishhyper-
7. Proto-Indo-European*dʰeyǵʰ-
8. Proto-Indo-European*dʰinéǵʰti
9. Proto-Italic*θingō
10. Proto-Italic*fingō
11. Latinfingō
12. Latinfictiō
13. Old Frenchficcion
14. Middle Englishficcioun
15. Englishfiction
16. Proto-Indo-European*h₂el-
17. Proto-Indo-European*h₂élisder.?
18. Englishfictional
19. English todayhyperfictional

From hyper- + fictional.