Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
taedĭo, āvi, ātum, 1, v. n. [taedium], to feel loathing or disgust, to be weary (postclass.): neque umquam taediavit, Lampr. Alex. Sev. 29: cor taedians, Tert. adv. Jud. 11 med.: animal taedians, loathing its food, Veg. Vet. 1, 17; 3, 2; 3, 68.