English

endoral

From endo- + oral.

Formed from endo- + oral

Proto-Indo-European *h₁n̥dóm ‘inside’

Proto-Hellenic *éndon

Ancient Greek ἔνδον ‘inner’

English endo-

Proto-Indo-European *h₃éh₁os

Proto-Italic *ōs ‘mouth’

Latin ōs ‘the mouth’

Late Latin ōrālis

English oral

Today it means

adj Within the mouth.

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