From: Joao S. Lopes
Message: 39021
Date: 2005-07-01
> Yes: /AU/, as in EME /tAU(l)k/; this occurred when ME /Al/
> was followed by another consonant, with an exception noted
> below. Much the same thing happened much earlier in French:
> Late Latin /al/ followed by a consonant became /aw/ in later
> Old French and /o/ in Middle French.
>
Dutch did something similar: /ol/ > /ou/ > (in my ears) /au/. Not in
the east, cf the town of Oldenzaal.
Torsten