a. [ OE. innemest, AS. innemest, a double superlative form fr. inne within, fr. in in. The modern form is due to confusion with most. See In, and cf. Aftermost, Foremost, Innermost. ] Deepest within; farthest from the surface or external part; innermost. [ 1913 Webster ]
And pierce the inmost center of the earth. Shak. [ 1913 Webster ]
The silent, slow, consuming fires,
Which on my inmost vitals prey. Addison. [ 1913 Webster ]