microanatomic

The story

1. Proto-Indo-European*mey-der.?
2. Ancient Greekμῑκρός (mīkrós)
3. Ancient Greekμῑκρο- (mīkro-)
4. Englishmicro-
5. Proto-Indo-European*h₂en-
6. Proto-Hellenic*aná
7. Ancient Greekᾰ̓νᾰ́ (ănắ)
8. Ancient Greekἀνα- (ana-)
9. Proto-Indo-European*temh₁-
10. Ancient Greekτέμνω (témnō)
11. Ancient Greekἀνατέμνω (anatémnō)
12. Ancient Greekἀνατομή (anatomḗ)
13. Latinanatomia
14. Frenchanatomie
15. Frenchanatomique
16. Latinanatomicus
17. Englishanatomic
18. Englishmicro-
19. Latinanatomia
20. Old Frenchanatomie
21. Middle Englishanatomie
22. Englishanatomy
23. Englishmicroanatomy
24. English todaymicroanatomic

From micro- + anatomic or microanatomy + -ic.