pregeometry

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-Hellenic*gaya
10. Ancient Greekγαῖᾰ (gaîă)clip.
11. Ancient Greekγῆ (gê)
12. Ancient Greekγεω- (geō-)
13. Proto-Indo-European*med-
14. Proto-Indo-European*meh₁-
15. Ancient Greekμέτρον (métron)
16. Ancient Greekγεωμετρῐ́ᾱ (geōmetrĭ́ā)
17. Latingeōmetria
18. Old Frenchgeometrie
19. Middle Englishgemetry
20. Englishgeometry
21. English todaypregeometry

From pre- + geometry.