Sessei

was the highest government post of the Ryūkyū Kingdom below the king; the sessei served the function of royal or national advisor. In the Ryukyuan language at the time, the pronunciation was closer to shisshii, and has only changed relatively recently. Though the same Chinese characters which compose the modern Okinawan word sessei are read as sesshō in Japanese, the position is not quite the same, and the Ryukyuan post is not derived from the Japanese model or system.