Denshi Jisho — Online Japanese dictionary

仞 じん ren (ancient Chinese measure of height, depth, etc.; between 1-3 meters)
Noun 
千仞 せんじん 1: great depth (lit: thousand fathoms); bottomless;
2: great height
Noun 
万仞 ばんじん 10000 fathoms; great depth; great height
Noun 
九仞の功 きゅうじんのこう spectacular success
Noun 
壁立千仞 へきりつせんじん precipitous cliff of great height, metaphor for absolute nature of Buddhist truth
Expression, Buddhist term, Idiomatic expression 
九仞の功を一簣に虧く きゅうじんのこうをいっきにかく to fail one step short of great success; to fall at the last hurdle
Expression, Idiomatic expression 

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