This is the 5365th most frequent Swedish word.
ester
"Ester" in Swedish means "Estonians" (people from Estonia).
Here, 'ester' refers to a type of chemical compound in the context of chemistry.
Ester är en organisk förening som används i många kemiska processer.
An ester is an organic compound used in many chemical processes.
In this sentence, 'Ester' is used as a proper name for an individual.
Hon heter Ester och har bott i Sverige hela sitt liv.
Her name is Ester, and she has lived in Sweden her whole life.
Here, 'esterna' refers to the Estonian people, showing usage of the word in a national or ethnic context.