Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rĕd-ordior, īri, v. dep. a., to take apart, unweave, unravel (Plinian): redordiri fila, rursusque texere, Plin. 6, 17, 20, § 54; 11, 22, 26, § 76.