Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
The word obsessam could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
obsessĭo, ōnis, f. [obsideo], a blocking up, besieging, encompassing, a blockade of a place (class.): obsessio templorum, Cic. Dom. 3, 5: militaris viae, id. Pis. 17, 40: castrorum, Suet. Caes. 58: obsessionem alicuius omittere, Caes. B. C. 3, 24 fin.
obsessor, ōris, m. [obsideo], one who sits, stays, abides in a place; a frequenter, haunter.
obsessus, a, um, Part., from obsideo.