屠息庵 Tú Xī’ān Early-Qīng lay friend of 王起隆 Wáng Qǐlóng. Circulated a Vajracchedikā commentary draft that prompted Wáng’s 1655 reply-letter KR6c0072 Jīngāng jīng dàyì. Possibly identical with 屠垠 Tú Yín of KR6c0058, but identification uncertain.