noun
competent local official
Historical term from the Chinese bureaucratic system, referring to a capable provincial governor or magistrate. Rare in modern Japanese; encountered mainly in historical or literary contexts.
良二千石は、古代中国の地方長官を指す言葉だ。
良二千石 is a term referring to a local governor in ancient China.
From Chinese 良二千石 (liáng èrqiān dàn), literally 'good two-thousand piculs', referring to an official with a salary of two thousand piculs of grain, a rank for competent provincial governors.