Käigus
Käigus is an Estonian time expression used to indicate that an action or event occurs during the course of another event or period. It functions as a postpositional, adverbial phrase that translates roughly to “during” or “in the course of” in English.
In usage, käigus combines with a noun in the genitive case to specify the event whose duration
Etymology and status: Käigus derives from the noun käik, meaning a course, process, or sequence, with the
Usage notes: Käigus emphasizes the temporal scope rather than a position in time alone. It is typically
See also: ajal, jooksul, seetõttu käik (related time expressions emphasizing duration).