The term 'Papal Order' refers to a type of decree issued by the Pope. The crossword solution for this term is 'UKASE', which is a Russian term for a proclamation or edict issued by the Tsar or other authority. It is derived from the Russian verb 'ukazat', meaning 'to show' or 'to point out'. Ukases were used to regulate various aspects of life in Russia, including taxation, military service, and religious observance.