viscosurgical

The story

1. Englishvisco-
2. Proto-Indo-European*ǵʰes-
3. Proto-Indo-European*ǵʰésōr
4. Proto-Hellenic*kʰéhər
5. Ancient Greekχείρ (kheír)
6. Proto-Indo-European*werǵ-
7. Proto-Indo-European*worǵós
8. Proto-Hellenic*worgós
9. Ancient Greekχειρουργός (kheirourgós)
10. Ancient Greekχειρουργῐκός (kheirourgĭkós)
11. Late Latinchīrurgicus
12. Proto-Indo-European*h₂el-
13. Proto-Indo-European*h₂élisder.?
14. Medieval Latincirurgicālis
15. Middle Frenchcirurgica
16. Middle Englishcirurgical
17. Englishsurgical
18. English todayviscosurgical

From visco- + surgical.