transhumance
/trænsˈhjuːməns/noun
mass noun
- the action or practice of moving livestock from one grazing ground to another in a seasonal cycle, typically to lowlands in winter and highlands in summer（尤指冬天向低地, 夏天朝高地的）季节性牲畜移动。
派生词
transhumant
adjective词源
early 20th cent.: from French， from the verb transhumer, based on Latin trans- 'across' + humus 'ground'.