polyclinic

The story

1. Proto-Indo-European*pleh₁-
2. Proto-Indo-European*polh₁ús
3. Ancient Greekπολῠ́ς (polŭ́s)
4. Englishpoly-
5. Proto-Indo-European*ḱel-
6. Proto-Indo-European*ḱley-
7. Proto-Indo-European*ḱl̥néyti
8. Proto-Hellenic*klíňňō
9. Ancient Greekκλῑ́νω (klī́nō)
10. Ancient Greekκλῑ́νη (klī́nē)
11. Ancient Greekκλῑνῐκός (klīnĭkós)
12. Late Latinclīnicus
13. Frenchclinique
14. Englishclinic
15. English todaypolyclinic

From poly- + clinic.