Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
prae-porto, 1, v. a., to bear or carry before (poet.): tela, Lucr. 2, 621; Cat. 64, 193: prae se Scorpius infestus praeportans flebile acumen, Cic. Arat. 430 (682).