The purpose of this study was to trace and to identify the origin and meanings of the word ho-su(胡神) that is found in historical documents of Chosun dynasty period. Historical documents, books, and other written materials from Korea and China were used for this research. The word ho-su(胡神) of Korea was originated in Chinese. At the first, ho-su(胡神) was a name of a kind of sleeves. It is long and wide round sleeves with narrow wrist parts. The character ho(胡) means a jaw, lower part of a jaw, a jaw hung down, hing down and lower part. Thus, the word ho-su(胡神) is a compound word made with character ho(胡) and character su(神) sleeve. The direct meaning of ho-su(胡神) in characteristic shape of the sleeves. The second meaning of the ho-su(胡神) is the name of a dress with long and wide round sleeves with narrow wrists. The name of the ho-su as a name of a dress was taken from the name of the ho-su(胡神), a kind of sleeves.