dox/dogm

opinion or belief

Spelled dox, dogm · Greek doxa 'opinion, reputation, glory' and dogma 'opinion, decree,' both related to dokein 'to seem, think'

Greek doxa meant opinion: orthodox beliefs follow accepted teaching, heterodox beliefs differ, and a paradox challenges what people expect.

Words built from it

orthodox — following established beliefs or accepted practices
Greek orthos (right, straight) + doxa (opinion) → orthodoxos (holding the right opinion)
paradox — a seeming contradiction that may contain truth
Greek para- (contrary to) + doxa (opinion) → paradoxos (contrary to expectation)
dogmatic — stating beliefs as unquestionable facts
Greek dogma (opinion, decree), stem dogmat- + -ikos (relating to) → dogmatikos
heterodox — departing from accepted beliefs
Greek heteros (different) + doxa (opinion) → heterodoxos
doxology — a short hymn or statement praising God
Greek doxa (glory, developed from reputation) + -logia (speaking) → doxologia (praise)