běnxìng · tattvam
本來固有之性德也。圓覺經曰:「若此覺心本性清淨因何染污。」
The spirit one possesses by nature; hence, the Buddha-nature; the Buddha-nature within; one's own nature.
inherent nature
一本性 指固有之性德。即常住不變之絕對真實性。圓覺經(大一七‧九一九中):「若此覺心本性清淨,因何染污?」p2476
梵: tattvam 滿: da banin 蒙: terekhü chinar