Refers to the deepest, most essential principles or secrets of an art, skill, or discipline, often attained after long training. Common in contexts like martial arts, tea ceremony, or spiritual practices.
The essence of the tea ceremony cannot be understood merely by learning the procedures.
Etymology
Composed of 極 (きょく/ごく, 'extreme, ultimate') and 意 (い, 'meaning, mind'). The combination refers to the ultimate meaning or deepest intention behind an art or discipline.
