koan

[koh-ahn] /ˈkoʊ ɑn/
noun, plural koans, koan. Zen.
1.
a nonsensical or paradoxical question to a student for which an answer is demanded, the stress of meditation on the question often being illuminating.
Compare mondo
Origin
1945-50; < Japanese kōan, earlier koũ-an < Middle Chinese, equivalent to Chinese gōngàn public proposal
Examples from the web for koan
  • The lack of variety in the landscape here is our koan.
British Dictionary definitions for koan

koan

/ˈkəʊæn/
noun
1.
(in Zen Buddhism) a problem or riddle that admits no logical solution
Word Origin
from Japanese
Word Origin and History for koan
n.

Zen paradox, 1946, from Japanese ko "public" + an "matter for thought."