This is the 819th most frequent Czech word.
dovolenou
"Vacation" or "holiday."
The word 'dovolenou' is used in the accusative case as a direct object of the verb 'chystáme.' It represents the vacation being planned.
Chystáme se na dovolenou k moři.
We are planning a vacation to the sea.
Here, 'na dovolenou' shows motion towards a destination, indicating the purpose of the travel.
Na dovolenou jedeme autem.
We are traveling by car for the vacation.
In this sentence, 'dovolenou' is again in the accusative case, but this time it's used to describe the vacation as the time period during which something occurred.