This is the 12832nd most frequent Russian word.
купеческого
"Merchant's" or "pertaining to merchants."
Here, 'купеческого' describes belonging or pertaining to the merchant class, indicating the person's societal category.
Этот дом принадлежал купеческого сословия человеку.
This house belonged to a person of the merchant class.
In this sentence, 'купеческого' is used to specify the lineage or origin associated with merchants, emphasizing historical heritage.
Сохранились старинные купеческого рода реликвии.
Ancient relics of merchant lineage have been preserved.
Here, 'купеческого' describes a style or characteristic typical of merchants, suggesting a behavioral or stylistic similarity.