Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
fŏro, āvi, ātum, 1, v. a. [root bhar-, Zend. bar-, cut, bore; Gr. φαρ-, φάρος, plough; cf. φάραγξ, φάρυγξ; Germ. bohren; Angl.-Sax. borian; Engl. bore], to bore, pierce (mostly post-Aug. and very rare).