nanogeometry

The story

1. Ancient Greekνᾶνος (nânos)
2. Latinnānus
3. Englishnano-
4. Proto-Hellenic*gaya
5. Ancient Greekγαῖᾰ (gaîă)clip.
6. Ancient Greekγῆ (gê)
7. Ancient Greekγεω- (geō-)
8. Proto-Indo-European*med-
9. Proto-Indo-European*meh₁-
10. Ancient Greekμέτρον (métron)
11. Ancient Greekγεωμετρῐ́ᾱ (geōmetrĭ́ā)
12. Latingeōmetria
13. Old Frenchgeometrie
14. Middle Englishgemetry
15. Englishgeometry
16. English todaynanogeometry

From nano- + geometry.