If ever general council was œcumenic, it was this of Constance.
œcumenic
Etymology
() From Latin œcūmenicus, from Ancient Greek οἰκουμενικός (oikoumenikos, “concerning ἡ οἰκουμένη (ē oikoumenē, “the inhabited (earth)”)”, “the whole (known) world”); cognate with French œcuménique.“” listed in the Oxford English Dictionary