先秦时,“洟”表示鼻液,“涕”表示目液。发展到中古,由于目液义换用“泪”来表示,因此,人们便用声近义通的“涕”来代替“洟”,西汉后期出现并随即完成了这一更替现象。偏正结构“鼻涕”最早出现于西汉后期,发展到明代,表示鼻液义则主要使用复音词“鼻涕”,只在特殊语境中才用单音词“涕”,这一格局一直保持到现在。 Pre-Qin period, “洟” said nasal fluid, “tears” that head orders. In the Middle Ages, since the head and neck was replaced by “tear”, people replaced “洟” with the “Tiny” sound of Shengyi Tongyi, which appeared in the late Western Han Dynasty and was immediately completed. The structure of the nascent nose with partial structure was first appeared in the late Western Han Dynasty and developed into the Ming Dynasty. It means that the principle of nasal fluid mainly uses the polysyllabic nasal discharge, which is only used in the special context. just now.