This is the 7606th most frequent Russian word.
егоровой
"Егоровой" relates to Yegor or belongs to Yegor, typically as a possessive form (e.g., Yegor's).
Here, 'Егоровой' refers to the name of an establishment owned or associated with a person named Egorova, indicating possession or affiliation.
Я был в магазине Егоровой и купил там свежий хлеб.
I was at Egorova's store and bought there fresh bread.
In this sentence, 'Егоровой' refers to the person named Egorova, from whom the action (ordering pies) originated.
Мы заказали пироги у Егоровой на праздник.
We ordered pies from Egorova for the celebration.
'Егоровой' indicates possession of the house by an individual named Egorova.