Re: [tied] (unknown)

> Rumanian,
> Rhaetish, Provencal and Portuguese all show examples
> of -au- surviving in the dialect that was their source.> >>>>>>>
>
> But in Portuguese the regular evolution is au>ou (sometimes oi).

That's my point. The form of Latin from which they derive retain /au/,
whereas some other forms of Latin had reduced it to /o/.

Peter