ETYM as. innera, a compar. from inne within, from in in. Related to In.
1. Innermost or essential; SYN. internal, intimate.
2. Located inward.
3. Located or occurring within or closer to a center.
4. Exclusive to a center; especially a center of influence.
5. (Anatomy) Inside or closer to the inside of the body.

ETYM Latin, compar. from inter between: cf. French intérieur. Related to Inter-, Intimate.
1. Inside and toward a center.
2. Of or coming from the middle of a region or country; SYN. midland, upcountry.
3. Situated within or suitable for inside a building.