This is the 3549th most frequent Swedish word.
ettan
"Ettan" in English means "the first" or "number one."
In this case, 'ettan' refers to the item labeled or considered as 'one' from a group or collection.
Ge mig ettan från högen, tack.
Hand me the one from the pile, please.
In this sentence, 'ettan' refers to someone or something that is ranked number one, typically in a competition or ranking system.
Ettan i tävlingen var väldigt glad.
The winner of the competition was very happy.
Here, 'ettan' is used to denote a specific apartment or unit named or numbered 'one' in a building.