The purpose of this study was to identify and to trace origins of the names of boshon(보션) and Chung(쳥) used in Chosun period. Comparative linguistic analytical approaches were employed for this research. Conclusions and summary of finds and results of this study can be summarized as follows: It was found that the name, boshon had its origin in Aramaic, while the name, chung had its origin in Chinese. The word, boshon (보션) is a transliteration of Aramaic pattashehon, leggins. The name, boshon is a borrowed word from Aramaic. The word, bai shu(背戍) of Koryo period and the word, boshon(보션) of Chosun period were originated in one word, ai shu was taken from a singular form, while boshon was taken from a plural form. Because these two words in Koran have different phonetic values, ′they ar treated as tow different words. The name, chung(쳥) is a transliteration of Chinese cheuan, ch′"uan, Korean chung is a corrupted form of cheunan or ch′"uan.