The character"祭",which is a nation name in extant pre-Qin documents,is the character"溓"in inscriptions on Western Zhou bronzeware,and is written as"晋","箭"and other characters on unearthed Chu bamboo slips of the Warring States Period.The aforementioned characters in inscriptions and on Chu bamboo slips all have"兼"as their phonetic element,and are phonetic loan characters of the character"祭",a nation name in extant documents.The characters on Chu bamboo slips are valuable materials for the determination and analysis of vessels related to the Zhai State,a vassal state ruled by the descendants of Dan,the Duke of Zhou.