Väsyin

Väsyin is the first-person singular past tense form of the Finnish verb väsyä, which means to become tired or fatigued. It is used to express that the speaker’s energy or alertness declined at a specific time, typically after activity, exertion, or lack of sleep. Väsyä is intransitive, so väsyin conveys a change of state rather than a direct action on an object.

Grammatically, väsyin is the indicative mood in the past tense. The full set of present and past forms includes: minä väsyin, sinä väsyit, hän väsyi, me väsyimme, te väsyitte, he väsyneiden? No—he väsyivät. In context, väsyin is often accompanied by time expressions such as eilen, pitkän päivän jälkeen, tai lenkin jälkeen to clarify when the fatigue occurred.

Usage notes: väsyin is used to describe becoming tired in a past event or situation. It differs from the adjective väsynyt, which describes a current state of fatigue (I am tired). Finnish also uses the impersonal verb väsyttää to mean “to tire (someone)” as in minua väsyttää, which is not interchangeable with väsyin.

Examples:

- Kävelimme koko päivän, ja minä väsyin lopulta.

- Pitkän työpäivän jälkeen väsyin nopeasti.

- En tehnyt enää, koska väsyin ja halusin nukkua.

Etymology: väsyä is a native Finnish verb root, with väsyin as a standard past tense form. Related words include väsymys (fatigue) and väsynyt (tired, worn out).