(Latin: within, inside, on the inside)
Borrowed from late Latin intra-; closely related to inter-, "between". The use of intra- is largely a product of modern times, occurring in words of common and technical vocabulary, where once it was generally a term used in science and the academic world.
While some words are borrowings from Medieval and even Late Latin, few if any come from Classical Latin.
A reference to the real nature of a thing; inherent; essential.
Cross references of word families related directly, or indirectly, to: "internal organs, entrails, inside": ent-; enter-; fistul-; incret-; inter-; splanchn-; viscer-.