Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† prŏpemptĭcon, i, n., = προπεμπτικόν, a farewell poem, in which a prosperous journey is wished: propempticon Metio Celeri, Stat. S. 3, 2 in lemm.; Sid. Carm. 24 in lemm.