geochemical

The story

1. Proto-Hellenic*gaya
2. Ancient Greekγαῖᾰ (gaîă)clip.
3. Ancient Greekγῆ (gê)
4. Ancient Greekγεω- (geō-)
5. Englishgeo-
6. Proto-Indo-European*ǵʰew-
7. Ancient Greekχῠ́μᾰ (khŭ́mă)
8. Ancient Greekχυμείᾱ (khumeíā)
9. Arabicالْكِيمِيَاء (al-kīmiyāʔ)
10. Medieval Latinalchēmia
11. Ancient Greekχυμείᾱ (khumeíā)influ.
12. New Latinchēmia
13. New Latinchēmicus
14. Proto-Indo-European*h₂el-
15. Proto-Indo-European*h₂élisder.?
16. Englishchemical
17. English todaygeochemical

From geo- + chemical.