English

endothorax

From endo- + thorax.

Proto-Indo-European *h₁n̥dóm ‘inside’

Proto-Hellenic *éndon

Ancient Greek ἔνδον ‘inner’

English endo-

Ancient Greek θώρᾱξ ‘corselet’

Latin thorax ‘chest, thorax’

Today it means

noun An internal processes of the thorax.

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

Etymograph / endothorax