Ecumenical: adjective - promoting unity among Christian Churches. ORIGIN late 16th cent. (in the sense [belonging to the universal Church] ): via late Latin from Greek oikoumenikos, from oikoumene ‘the (inhabited) earth.’
Endeavors: noun (plural) - attempts to achieve a goal. ORIGIN late Middle English (in the sense [exert oneself] ): from the phrase put oneself in devoir [do one's utmost] .