noun, feminine/oɾtoˈdoɡsja/plural: ortodoxias
orthodoxy (correctness in doctrine and belief); Orthodoxy (the Eastern Orthodox Church and its foundations)
Antonyms: heterodoxia, inortodoxia
Learned borrowing from Late Latin orthodoxia, from Ancient Greek ὀρθοδοξία (orthodoxía, “right opinion”). By surface analysis, ortodoxo + -ia.