Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
subjecto (also written subjacto, Varr. R. R. 1, 52, 2), āre, v. freq. a. [subicio], to lay, place, or put under; to throw out from below (mostly poet.; not in Cic.): manus, Ov. M. 4, 359: acres Subjectat lasso stimulos, Hor. S. 2, 7, 94: saxa, Lucr. 6, 700: nigram alte harenam, to cast up from its depths, Verg. G. 3, 241; so, grana e terrā, Varr. R. R. 1, 52, 2.