This is the 15793rd most frequent Russian word.
продавалось
"Продавалось" means "was being sold" in English.
The word "продавалось" conveys the action of items being available for sale in the past in a specific location, here a store.
В магазине продавалось множество интересных книг.
The store was selling a variety of interesting books.
Here, "продавалось" signifies a state in the past where homemade jam was available for purchase at a fair.
На ярмарке продавалось домашнее варенье.
Homemade jam was being sold at the fair.
In this example, "продавалось" indicates that the antique mirror was offered for sale in the past within the antique shop.