Where does “intraoral” come from?

Intraoral derives from English oral combined with the Latin prefix intra, meaning within, from Latin intro and intra both expressing the sense of being inside or inward.

intraoral (English): Within the mouth

Definitions

Within the mouth

Ancestry of “intraoral”, step by step

Step	Language	Word	Meaning
1	English	oral	Relating to the mouth; Spoken rather than...
2	Latin	ōrālis	oral
3	Latin	ōs	mouth
4	Proto-Italic	ōs	mouth
5	Proto-Indo-European	h₃ésth₁	bone

Words derived from “intraoral”

intraorally

Every word from Proto-Indo-European h₃ésth₁ →Every word from Proto-Italic ōs →Every word from Latin ōs →