Aoristic

不定过去时的

A term used in the grammatical description of some languages, referring to a form of the verb with distinctive past-tense or aspectual functions, especially expressing the lack of any particular completion, duration, or repetition.

有些语言的语法描写中，用来指动词的一种与众不同的过去时或体的形式，其功能主要是表达不明确的完结、持续或重复。