xenonatomy

The story

1. Proto-Hellenic*ksénwos
2. Ancient Greekξένϝος (xénwos)
3. Ancient Greekξένος (xénos)
4. Englishxeno-
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. Old Frenchanatomie
15. Middle Englishanatomie
16. Englishanatomy
17. English todayxenonatomy

From xeno- + anatomy.