Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
dētrectātĭo (dētract-), ōnis, f. [detrecto], a declining, refusing (very rare, and perh. not ante-Aug.): militiae, Liv. 3, 69: heredis, Plin. 18, 6, 7, § 37: fidei, Tert. Pat. 3: sine detrectatione, Liv. 7, 28.