In order to avoid using the character 'shi' which was the posthumous name of Shizong (Sima Shi), the city was later called 'Keito,' and other common names including 'Kyo,' 'Keishi' and 'Kyoto' subsequently came to be used.
西晋時代に世宗（司馬師）の諱である「師」の文字を避けて京都（けいと）と言うようになり、以後は京、京師、京都などの呼び名が用いられた。