metasemantic

The story

1. Proto-Indo-European*me
2. Proto-Indo-European*meth₂?
3. Ancient Greekμετᾰ́ (metắ)
4. Ancient Greekμετᾰ- (metă-)
5. Englishmeta-
6. Proto-Indo-European*dʰeyh₂-?
7. Proto-Indo-European*dʰyeh₂-
8. Proto-Indo-European*dʰyéh₂mn̥
9. Proto-Hellenic*tsā́mə?
10. Ancient Greekσῆμᾰ (sêmă)
11. Ancient Greekσημαίνω (sēmaínō)
12. Ancient Greekσημαντικός (sēmantikós)
13. Frenchsémantique
14. Englishsemanticsbf.?
15. Englishsemantic
16. English todaymetasemantic

From meta- + semantic.