-으이-

Etymology
From.

Usage notes

 * Common in Middle and Early Modern Korean, in the standard language, it is nowadays largely restricted to the archaic language of religious texts, such as the Bible, Buddhist prayers, or cantillation of the Confucian canon.


 * In contemporary Gyeongsang, it attaches only to and, the imperative and hortative suffixes of the semi-formal style respectively, to form  and , the imperative and hortative moods of the formal polite style respectively.
 * The formal polite style is less formal in Gyeongsang than in contemporary Seoul Korean, and hence can be used by e.g. a child addressing one's parents. In these contexts, it coexists with the polite style formed by.
 * This suffix is not used in northwestern Gyeongsang (e.g. ).