物自体
も
の
じ
た
い
Meanings
1
the thing itself
General noun meaning the object or matter in and of itself, without external considerations.
The problem is not his attitude but the value of the thing itself.
2
thing-in-itself (Kantian philosophy)
Technical term in Kantian philosophy for the noumenon, the object as it is independently of perception.
In Kantian philosophy, the thing-in-itself is considered unknowable.