nidus
/ˈnaɪdəs/noun
(pl. nidi /-daɪ/ 或niduses)
1- a place in which something is formed or deposited; a site of origin形成地; 积聚地; 发源地。
1.1
- Medicine a place in which bacteria have multiplied or may multiply; a focus of infection【医】细菌繁殖地; 传染源; 病灶。
词源
early 18th cent. （in the medical sense 'focus of infection'）： from Latin, literally 'nest'.