käydyistä

Käydyistä is a Finnish word that functions as the past passive participle of the verb "käydä". The verb "käydä" has a broad range of meanings, including to visit, to go, to happen, to be, to undergo, or to engage in. Therefore, "käydyistä" can translate to "visited", "gone", "happened", "been", "undergone", or "engaged in" depending on the context. It is always used in the plural partitive case, indicating that the action has been done to multiple entities or that the state applies to a group.

For example, in the sentence "Niistä paikoista on käydyistä monia tarinoita" (Of those places, many stories have been told/happened), "käydyistä" refers to the stories that have occurred or been related concerning those places. Similarly, "käydyistä keskusteluista" would mean "of the discussions that have taken place". The meaning is derived from the specific verb form of "käydä" it is modifying and the surrounding grammatical structure. It's a versatile participle that contributes to describing past events or states that have affected multiple items or individuals.