heterophenomenologically

The story

1. Proto-Indo-European*sem-
2. Proto-Indo-European*sḿ̥teros
3. Proto-Hellenic*hə́teros
4. Ancient Greekἕτερος (héteros)
5. Englishhetero-
6. Proto-Indo-European*bʰeh₂-
7. Proto-Indo-European*bʰh₂nyéti
8. Proto-Hellenic*pʰáňňō
9. Ancient Greekφαίνω (phaínō)
10. Ancient Greekφαινόμενον (phainómenon)
11. Late Latinphaenomenon
12. Englishphenomenon
13. Proto-Indo-European*leǵ-
14. Proto-Indo-European*lóǵos
15. Proto-Hellenic*lógos
16. Ancient Greekλόγος (lógos)
17. Englishphenomenology
18. Englishheterophenomenology
19. Proto-Indo-European*h₂el-
20. Proto-Indo-European*h₂élisder.?
21. Englishheterophenomenological
22. Proto-Indo-European*leyg-
23. Proto-Germanic*līką
24. English todayheterophenomenologically

From heterophenomenological + -ly.