procession

Is a term used in trinitarian theology to describe the divine origination of the Holy Spirit which is different from the begetting of the Son. The Western Church adopted the doctrine of double procession teaches that the Holy Spirit proceeds from the Father “and the Son,” which the Eastern Church opposed as an unauthorized addition to the Nicene Creed. The dispute regarding this issue was the straw the broke the camel’s back causing the split between the Eastern and Western Churches. See filioque.