sədr (Azerbaijani) comes from Arabic صَدْر, from Classical Persian دفتر, from Arabic دَفْتَر, from Aramaic דפתרא, from Classical Syriac ܕܦܬܪܐ, from Ancient Greek διφθέρα, from Proto-Hellenic dipʰtʰérā.
sədr (Azerbaijani): chairperson