This is the 11974th most frequent Russian word.
зашли
"Зашли" means "went in" or "entered."
In this sentence, 'зашли' is the past tense of the verb 'зайти', meaning to enter or drop by. Here, it indicates that 'we' entered the shop at some point in the past.
Мы зашли в магазин за продуктами.
We entered the shop to get some groceries.
In this context, 'зашли' describes the action of arriving or going into their home, emphasizing a completed action in the past.
Они зашли домой поздно вечером.
They arrived home late in the evening.
Here, 'зашёл' (a form of 'зашли' matching a singular masculine subject) conveys that the speaker briefly entered a place, specifying the purpose of the visit.