intramural
adjective
- within an institution
Wiktionary
adj
Etymology: From Latin intramuralis, from intra (“within”) + muralis (“of a wall”).
- Within the walls; within one institution, particularly a school.
“Intramural sports involve teams that are all within the same school.”
- Within the substance of the walls of an organ.
“intramural pregnancy”
noun
Etymology: From Latin intramuralis, from intra (“within”) + muralis (“of a wall”).
- A (usually sports) competition between teams belonging to the same school.