English

endolumen

From endo- + lumen.

Formed from endo- + lumen

Proto-Indo-European *h₁n̥dóm ‘inside’

Proto-Hellenic *éndon

Ancient Greek ἔνδον ‘inner’

English endo-

Proto-Indo-European *lewk- ‘bright’

Proto-Indo-European *léwksmn̥

Proto-Italic *louksmən

Latin lūmen ‘light, an opening’

English lumen

Today it means

noun The inside of a lumen

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

Etymograph / endolumen