This is the 7436th most frequent Russian word.
гросберг
The word "гросберг" does not have a widely recognized meaning in Russian and might be a proper noun or a misspelling.
Here, 'Гросберг' is used as a proper noun referring to a specific person, indicating someone's name.
Гросберг был известным шахматистом.
Grosberg was a famous chess player.
In this case, 'Гросберг' is again used as a proper noun, symbolizing attributes associated with the named person.
Гросберг стал символом настойчивости и уверенности.
Grosberg became a symbol of perseverance and confidence.
Here, 'Гросберга' is the genitive case form of 'Гросберг', demonstrating inflection based on grammatical rules in Russian when discussing possession or association with qualities.