Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
pampĭnārĭus, a, um, adj. [pampinus], of or belonging to tendrils, that has tendrils: palmitum duo genera sunt: alterum, quod, quia primo anno plerumque frondem sine fructu affert, pampinarium vocant, etc., Col. 5, 6, 29: sarmentum, id. 3, 10, 5: virga, id. 3, 10, 7: materiae, id. 4, 24, 11.
pampĭno, āvi, ātum, 1, v. a. [pampinus], to pluck or lop off the superfluous tendrils, shoots, and leaves of vines, to trim vines.