Late-Sòng / early-Yuán Tiāntái 天台 master; sobriquet Gǔyún 古雲 (also referenced as Gǔyún Cuì 古雲粹). DILA Authority A001053. Native of Tiáoxī 苕溪 (Húzhōu). Lifedates unrecorded; productive period documented from Jiādìng 嘉定 7 (1214) through Jiādìng 17 (1224) and beyond.
Dharma-disciple of Běifēng Zōngyìn 北峰宗印 (1148–1213). In 1224 became abbot of the Chóngshòusì 崇壽寺, where he transmitted the Tiāntái doctrinal and contemplative tradition (shífāng Tiāntái jiàoguān 十方天台教觀).
Major works:
- Yuánjué jīng jízhù 圓覺經集註 (2 juan) — Yuánjué (Sūtra of Perfect Enlightenment) annotated commentary, with own preface dated 1214.
- Sìjiào yí bèishì 四教儀備釋 (KR6d0170, X57n0977, 2 juan) — Yuán-period subcommentary on Dìguān’s Tiāntái sìjiào yí (KR6d0168).
Sources: Yuánjué jīng jízhù preface; Shìshì jīgǔ lüè 釋氏稽古略 juan 4; Fózǔ tǒngjì 佛祖統紀 juan 17; Shìjiàn jīgǔ lüè xùjí 釋鑑稽古略續集 juan 1; DILA A001053.