Vaulty is registered in the Oxford English Dictionary as:
"resembling a vault; having the arching form of a vault". The word "vault" itself entered english via the french "voute" which itself stems from the Latin "volvere," namely "to turn".
Assuming the name was taken from a German
gal, it was probably originally pronounced "Fawlty," as in evetyone's favorite resort in Torquay :)German
you stop talking about the war!Basil
: Me? You started it!German
: We did not start it.Basil
: Yes you did, you invaded Poland...