This is the 3677th most frequent Turkish word.
varmış
"Varmış" means "apparently there is/was" or "it seems there is/was."
In this sentence, 'varmış' expresses a past assumption or hearsay about possessing a dog at home.
Evde bir köpeği varmış.
It seems he/she had a dog at home.
Here, 'varmış' communicates reported speech about the existence of the garden.
O evde çok güzel bir bahçe varmış.
Apparently, there was a very beautiful garden in that house.
In this instance, 'varmış' is used to indicate indirect knowledge or assumption regarding the people in the living room.