His orthodoxy in traditional medicine made him reject all new treatment methods.

orthodoxy 由词根 ortho-（意为"正确的"或"正统的"）和 doxy（意为"观点"或"教义"）组成。这个词指"正统观念"或"严格遵守传统规范"，在句中表示对传统医学教条的坚持。