cranioplastic

The story

1. Proto-Indo-European*ḱer-
2. Proto-Indo-European*ḱerh₂-
3. Proto-Indo-European*ḱérh₂sō
4. Proto-Hellenic*kárahə
5. Ancient Greek*κρᾱν- (*krān-)
6. Ancient Greekκρᾱνῐ́ον (krānĭ́on)
7. Medieval Latincrānium
8. Englishcranio-
9. Proto-Hellenic*plátʰyō
10. Proto-Hellenic*plát͏̌t͏̌ō?
11. Ancient Greekπλάσσω (plássō)
12. Ancient Greekπλᾰστῐκός (plăstĭkós)
13. Latinplasticus
14. Englishplastic
15. English todaycranioplastic

From cranio- + plastic.