Inmost
Origin
From Middle English inmost, from Old English innemest, a double superlative form from inne ("within"), from in ("in"). The modern form is due to confusion with most.
Full definition of inmost
Adjective
inmost
- The very deepest within; farthest from the surface or external part; innermost
- 1918, Edgar Rice Burroughs, The Gods of Mars Chapter , It was as though she were attempting to read my inmost soul, …