This is the 9425th most frequent Russian word.
троекуровском
"Троекуровском" refers to something related to Troekurovo, potentially a place or name.
The word 'троекуровском' is used here as an adjective modifying the noun 'поместье', referring to the estate associated with 'Троекуров'.
В троекуровском поместье состоялся праздник.
A celebration took place in the Troyekurov estate.
Here, 'троекуровском' describes the specific garden related to 'Троекуров', providing additional context about its location.
Мы гуляли в троекуровском саду, наслаждаясь тишиной.
We walked in the Troyekurov garden, enjoying the silence.
In this sentence, 'троекуровском' acts as an adjective depicting the house associated with 'Троекуров'.