Learn how to say Orthodoxy correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word orthodox:
1following or conforming to the traditional or generally accepted rules or beliefs of a religion, philosophy, or practice:
Burke’s views were orthodox in his time
orthodox medical treatment
(of a person) not independent-minded; conventional and unoriginal:
a relatively orthodox artist
2of the ordinary or usual type; normal:
they avoided orthodox jazz venues
3 (usually Orthodox) relating to Orthodox Judaism:
Orthodox Jewish boys
everyone I knew was Orthodox
4 (usually Orthodox) relating to the Orthodox Church.
late Middle English: from Greek orthodoxos (probably via ecclesiastical Latin), from orthos ‘straight or right’ + doxa ‘opinion’