Adivasi
/ˌɑːdɪˈvɑːsɪ/noun
(复同单, 或Adivasis)
1- a member of any of the aboriginal tribal peoples living in India before the arrival of the Aryans in the second millennium BC.阿迪瓦西部族（公元前第二个千年时期在雅利安人到来之前居住在印度的各土著部落民族）。
1.1
- a descendant of any of these peoples阿迪瓦西部落民族的后裔。
词源
from modern Sanskrit ādivāsī, from ādi 'the beginning' + vāsin 'inhabitant'.