> So, I agree with you, Konrad and Haukur, in that Dalska '-û' is not a
> preserved '-u'. Instead, it is a product of the Central Swedish
> tendency of adding a final '-n' to neuter plurals (compare with
> Modern Swedish 'äpplen' - "apples"; 'ögon' - "eyes" etc - this love
> of using 'n' seems dialectally to be limited to only parts of
> Svealand, and not in a majority of Sweden)

In the case of 'ögon' East Norse has the ending that would be
expected from Proto-Norse but West Norse doesn't. This particular
'n' ending "shouldn't" have been dropped according to the usual
sound changes.

Kveðja,
Haukur