běn​tǐ

noumenon

本体 (本體) běn​tǐ
noumenon noun
the thing-in-itself; an object of purely intellectual perception, especially in Kantian philosophy

He is studying the concept of 'noumenon' in Kantian philosophy.

Frequency

Movie subtitles
0.390 per million appears in 0% of films
Written text
3.83 per million

Sources

Definitions
CC-CEDICT