This is the 6556th most frequent Swedish word.
mein
"Mein" is not a Swedish word.
In this sentence, 'mein' indicates possession—'my friend,' showing ownership.
Mein vän är väldigt hjälpsam.
My friend is very helpful.
Here, 'mein' is used metaphorically to represent a sound, particularly the bleating of an animal.
Jag hörde en mein i skogen.
I heard a bleating sound in the forest.
In this context, 'mein' emphasizes importance or centrality—'main project.'