This is the 756th most frequent Estonian word.
toimuv
The Estonian word "toimuv" means "happening" or "occurring" in English.
In this usage, 'toimuvast' is the declension of 'toimuv' in the elative case to fit the grammatical structure, indicating the nature of 'drama' as occurring in the specified past time.
Raamat räägib 19. sajandil toimuvast draamast.
The book tells about a drama taking place in the 19th century.
Here, 'toimuv' is used to describe 'discussion' as something ongoing or occurring in the current context of the sentence.
Toimuv diskussioon on tähtis meie projekti arenguks.
The ongoing discussion is important for the development of our project.
In this sentence, 'toimuv' describes an ongoing event, 'taking place' or 'happening' at the school, serving a descriptive role for the concert.