“阿[a45]”是益阳方言中使用频率极高的多功能语素。“阿”可以与指示词或量词结合成指量名结构,表定指或类指;“阿”也可以直接依附在几乎所有的名词性成分之前,表示定指、类指等功能。在“阿+NP”结构的基础上,“阿”进一步扩展出话题标记、领属标记、判断标记等多种功能。最后,文章认为“阿”来源于通用量词“只”。 “A [a45] ” is a multi-functional morpheme used frequently in Yiyang dialect. “A ” can be combined with the indicator or quantifier into the structure of the name of the measure, the fixed set of fingers or fingers; “A ” can also be directly attached to almost all of the nominal components before, that fixed, class refers to Features. On the basis of the structure of “A + NP ”, “A ” further expands the various functions such as topic tag, tag tag, and judgment tag. Finally, the article holds that “A ” comes from the universal quantifier “only ”.