This is the 10729th most frequent Russian word.
вошедшие
"Those who entered."
In this example, 'вошедшие' is a past active participle derived from the verb 'войти' (to enter) and is used to describe students who have entered the room.
Вошедшие в комнату студенты одного факультета начали оживлённый разговор.
The students of the same faculty who entered the room started an animated discussion.
Here, 'вошедшие' is used as a past active participle to describe 'ideas' that have figuratively entered the project, meaning they became part of it.
Вошедшие идеи в проект помогли значительно улучшить процесс.
The ideas that entered the project helped significantly improve the process.
In this sentence, 'вошедшие' acts as a participle derived from 'войти,' describing the customers who have literally entered the bookshop.