au·toch·tho·nous
adjective/ɔːˈtɒkθənəs/
/ɔːˈtɑːkθənəs/
- (specialist) (of people who live in a particular place) whose ancestors all came from the same place
原生的；土著的；祖先来自同一地方的 - (geology) (of rock) formed in its present position
原地生成的；原地的