Career
He was the original compiler of the Wamyō Ruijushō, the first Japanese dictionary organized into semantic headings. In addition to the Wamyō Ruijushō, his remaining works include a poetry collection known as the Minamoto no Shitagōshū (源順集). Some scholars claim that he is the author of the Taketori Monogatari.
As one of the Five Men of the Pear Chamber he assisted in the compilation of the Gosen Wakashū.
He also compiled kunyomi readings for texts from the Manitoba"yōshū.
