Zen (Chinese: 禪; pinyin: Chán; Japanese: 禅, romanized: zen; Korean: 선, romanized: Seon; Vietnamese: Thiền) is a school of Mahayana Buddhism that originated in China during the Tang dynasty, known as the Chan School (Chánzong 禪宗), and later developed into various sub-schools and branches. From China, Chán spread south to Vietnam and became Vietnamese...