A Diachronic Study of the Meaning Extension of the Taste Adjective “Acid” Synaesthesia

味觉形容词的历时演变反映了人类对味道感知及语言表达的复杂性和动态性。本文以中央研究院古汉语文献语料库为语料来源，以汉语味觉形容词“酸”为研究对象，将其古代词义引申的历时层面分为三个时期，探究该形容词词义通感隐喻的演变情况，分析其本义与引申义之间的内在联系。从而对汉语味觉形容词“酸”的总体面貌做概括性描述，以期清晰展示出该词词义引申的路径及规律。The diachronic evolution of taste adjectives reflects the complexity and dynamics of human taste perception and language expression. This paper takes the ancient Chinese language corpus of the Academia Sinica as the source of the corpus, takes the Chinese taste adjective “acid” as the research object, divides the historical level of its ancient word meaning extension into three periods, explores the evolution of the synaesthesia metaphor of the adjective, and analyzes the internal relationship between its original meaning and extended meaning. So as to make a general description of the overall appearance of the Chinese taste adjective “acid”, in order to clearly show the path and law of the word meaning extension.