English

endocranium

From endo- + cranium.

A compound of endo- + cranium

Proto-Indo-European *h₁n̥dóm ‘inside’

Proto-Hellenic *éndon

Ancient Greek ἔνδον ‘inner’

English endo-

Proto-Indo-European *ḱerh₂-

Ancient Greek κρᾱνίον ‘skull’

Medieval Latin crānium ‘skull’

Today it means

noun The layer between the dura mater and the skull

Language periods are conventional ranges, not dates for this word.

Etymograph / endocranium