公学

elite fee-charging independent school in England or Wales (e.g. Eton College)

public / collectively owned / common / international (e.g. high seas, metric system, calendar) / make public / fair / just / Duke, highest of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / honorable (gentlemen) / father-in-law / male (animal)

to learn / to study / to imitate / science / -ology

Eton public school (English elite school)