This is the 14111th most frequent Russian word.
олимпийском
"Oлимпийском" translates to "Olympic" (relating to the Olympics).
Here, 'олимпийском' describes the noun 'стадионе' (stadium), indicating that it is related to the Olympics.
Мы смотрели соревнования на Олимпийском стадионе.
We watched competitions at the Olympic stadium.
Here, 'олимпийском' qualifies the noun 'движении' (movement), attributing it to the Olympic context.
Эти кольца символизируют идею в олимпийском движении.
These rings symbolize the idea in the Olympic movement.
In this example, 'олимпийском' modifies the noun 'духе' (spirit), denoting its association with the Olympics.