Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ĭnānĭo, īvi or ĭi, ītum, 4, v. a. [inanis], to make empty, to empty out, evacuate (poet. and in post-Aug. prose): hoc ubi inanitur spatium, etc., Lucr. 6, 1005; cf.: locus inanitus magis ac vacuatus, ib. 1025: herbacea arefacta per se inanit alvum, Plin. 20, 3, 8, § 14: vesicas (polium), id. 21, 20, 84, § 146: corpora (luna, opp. implet), id. 2, 98, 99, § 122.
Part. as subst.: ĭnānītum, i, n., vacancy, emptiness (opp. plenum), Tert. Res. Carn. 4.