Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. advectus, a, um, Part. of adveho.
* 2. advectus, ūs, m. [adveho], = advectio, a bringing or conveying to a place: haec de origine et advectu deae, Tac. H. 4, 84.