Theravada
/ˌθerəˈvɑːdə/(亦作Theravada Buddhism)
noun
mass noun
- the more conservative of the two major traditions of Buddhism (the other being Mahayana), which developed from Hinayana Buddhism. It is practised mainly in Sri Lanka, Burma (Myanmar), Thailand, Cambodia, and Laos.小乘（佛教中较保守的一派, 从小乘佛法演变而来, 另一派为大乘; 主要流传在斯里兰卡、缅甸、泰国、柬埔寨和老挝）。
词源
from Pali theravāda, literally 'doctrine of the elders'， from thera 'elder， old' + vāda 'speech， doctrine'.