Engi in Buddhism (Sanskrit: pratiitya-samutpaada; Pali: paTicca-samuppaada) is one of the fundamental ideas in Buddhism, and its meaning is the idea that everything in this world is related to the other in direct and indirect ways, changing and disappearing in the relationship.
仏教における縁起(えんぎ、サンスクリット：pratiitya-samutpaada、パーリ語：paTicca-samuppaada)は、仏教の根幹をなす思想の一つで、世界の一切は直接にも間接にも何らかのかたちでそれぞれ関わり合って消滅変化しているという考え方を指す。