Re: NATLANG: Welsh <mh, nh, ngh> and French vowels

>And where do all of French's
>weird (in relation to other Romance languages) vowels (/y, 2, 9, O/, the
>nasal vowels etc.) come from? They don't exist in other Romance languages
>(except Portuguese, and that's only the nasal vowels). Wait a minute,
>aren't /2, 9, y/ reduced diphthongs, and the nasal vowels just the vowel
>with /n/ that disappeared? So my question should be actually: Why hasn't
>this occured in other Romance languages?
>Robert.
I've read that the /y/ is actually a remain from the Celtic language that
was spoken in France before the romans conquered it. There are some Celtic
words left aswell, look at the list here:

http://www.dfj.vd.ch/dgeo/latin/Textes-etymologie/gaulois.htm

Also check the third chapter on that page, it shows the sound changes of
some words, from Latin to French.