English

endophragma

From endo- + phragma.

Proto-Indo-European *h₁n̥dóm ‘inside’

Proto-Hellenic *éndon

Ancient Greek ἔνδον ‘inner’

English endo-

Ancient Greek φράσσω ‘I fence’

Ancient Greek φράγμα ‘any means of defence, a protection’

Today it means

noun A chitinous structure above the nerve cord in the thorax of certain crustaceans.

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

Etymograph / endophragma