一指头禅 (一指頭禪) yī zhǐ tóu chán

yī zhǐ tóu chán set phrase single finger Chan
Domain: Buddhism 佛教 , Subdomain: Chan School , Concept: Koan 公案
Notes: Quote: from Koan 19 of 碧巖錄 “Blue Cliff Record”; see also 俱胝一指 (retranslated from Ch’ung-hsien, K’o-ch’in, and Thomas F. Cleary trans. 1998, p. 109; FGDB '俱胝一指')