great aeon. [acc. to Abhidharma-Kosha 80 bskal chung. Acc. to Abhidharma-Samucchaya 4 bskal chung]. See {bskal pa chen po}; great aeon. [acc. to Abhidharma-Kosha 80 {bskal chung}. Acc. to Abhidharma-Samucchaya 4 {bskal chung}.) See {bskal pa chen po}. a great aeon consists of eight intermediate aeons ( see {bar bskal}.) and is divided into, 1) {chags pa'i bskal pa nyi shu}. twenty aeons of the formation of the universe. 2) {gnas pa'i bskal pa nyi shu}. twenty aeons of its persistence. 3) {'jigs pa'i bskal pa nyi shu}. twenty aeons of its dissolution. 4) {stong pa'i bskal pa nyi shu}. twenty aeons of vacuity