Aorist (/ˈeɪərɪst/ AY-ər-ist; abbreviated AOR) verb forms usually express perfective aspect and refer to past events, similar to a preterite. Ancient Greek grammar had the aorist form, and the grammars of other Indo-European languages and languages influenced by the Indo-European grammatical tradition, such as Middle Persian, Sanskrit, Armenian, the South Slavic languages, Georgian, Pontic Greek, and Pashto, also have forms referred to as aorist.
The word comes from Ancient Greek ἀόριστος (aóristos 'indefinite'),[1][2] as the aorist was the unmarked (default) form of the verb, and thus did not have the implications of the imperfective aspect, which referred to an ongoing or repeated situation, or the perfect, which referred to a situation with a continuing relevance; instead it described an action "pure and simple".[3]
Because the aorist was the unmarked aspect in Ancient Greek, the term is sometimes applied to unmarked verb forms in other languages, such as the habitual aspect in Turkish.[4]
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