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the spoken words of the emperor or a noble
「命」 has other readings with different meanings.
天皇の命により都が移された。
The capital was moved by imperial decree.
命の言葉は重く響いた。
The noble's words resonated deeply.
日本武尊の命は古事記に詳しく記されている。
The deeds of Yamato Takeru no Mikoto are described in detail in the Kojiki.