Dào Yán 道言 (fl. Sòng) was a Sòng-dynasty Vinaya specialist known for his Shì Sìfēn jièběn xù 釋四分戒本序 (KR6k0147) — a one-fascicle commentary on the introductory matter (序 xù) of the Sìfēn prātimokṣa.
Dào Yán 道言 (fl. Sòng) was a Sòng-dynasty Vinaya specialist known for his Shì Sìfēn jièběn xù 釋四分戒本序 (KR6k0147) — a one-fascicle commentary on the introductory matter (序 xù) of the Sìfēn prātimokṣa.