The Collaborative International Dictionary
Proditorious
Proditorious \Prod`i*to"ri*ous\, a. [Cf. OF. proditoire.]
Treacherous; perfidious; traitorous. [Obs.]
--Daniel.Apt to make unexpected revelations. [Obs.] ``Nature is proditorious.''
--Sir H. Wotton.
Wiktionary
proditorious
a. (context obsolete English) treacherous, traitorous.