翻譯名義集 7.53

7.53

【屈眴（音舜）】此云大細布。緝木綿華心織成，其色青黑，即達磨所傳袈裟。

[Kūtsa] This translates as coarse fine cloth. Woven by twisting the core of cotton blossoms, its color is blackish-blue; this is the kāṣāya handed down by Bodhidharma.