arengupäevi
Arengupäevi is an Estonian term that translates to development days. It is used to describe days set aside for development-oriented activities, such as professional development, skill-building, or organizational planning. The word is formed from arengu (development) and päevi (days). In practice, arengupäevi can denote scheduled sessions within schools, universities, businesses, or public institutions during which participants focus on learning, improvement projects, or strategic development rather than routine tasks.
In education, arengupäevi may refer to days designated for in-service training, curriculum development, or collaborative planning
There is no single standardized event named arengupäevi across Estonia; the concept is generic and its exact