Oh Kyong-gusan
Ohgyo Kusan is a word commonly called the five mountains of gyeongjong established in the middle of the Silla period and the nine mountains of the Zen sect established at the end of Silla and Koryo period. The five schools of gyeongjong are arithmetic type, law type, law type, The 9 mountains of Zen sect are the prosperous branches, prosperous prosperity, prosperity prosperity, proverbs proverb, proverbs proverb, proverbs proverb, proverb proverb, proverb proverb, actual proverb proverb. When the Tendai sect was established by the middle ages of Koryo period, the Sennong mountain was integrated and became the Kogye class. At that time, the five schools of Gyongjong were renamed as follows: Kyeongjong → Namsanjong, Saseonggong → Gyeonggongjong, Sungyeonggong → Middle Gyeongsang, Koryeong → Shiheungjong, Wonheunggong → Hwaamjong.