This is the 11357th most frequent Swedish word.
mört
"Mört" means "roach" (a type of fish) in English.
Here, 'mört' describes the texture of the fish, meaning it is tender and easy to eat.
Fiskarna i sjön är mycket mört och är goda att äta.
The fish in the lake are very tender and tasty to eat.
In this context, 'mörten' refers to the fish species 'roach'.
Mörten simmar snabbt i det klara vattnet.
The roach swims swiftly in the clear water.
Here, 'mört' again refers to the texture, indicating that the meat is easy to chew and generally well-prepared.