公団
こうだん · koudan · JLPT N1 · noun
corporation
🏢 Koudan = 公 (public) + 団 (group): a public group that runs as a corporation.
公 means public or official, and 団 means group or organization. Together they name a government-backed body, like Japan's old Housing Corporation (Jutaku Kōdan).
公 — eight 八 + private 厶
Originally an ideograph showing 八 (to divide) over 厶 (private/self), depicting the act of splitting away from selfish interest. The combination came to mean 'public' or 'fair,' the opposite of private. It later extended to senses like 'duke,' 'lord,' and 'grandfather.'