Fòram na Gàidhlig

Well the version in Final Fantasy VII isn't the authentic spelling -- that would be "cat sìth" without the first i. With the "i", it would often be taken to be a rendering of "Kate", with more or less the same sound as the English, but without the "i", it's a cat, and it would have a Scottish A ...

We just adopted a little demonic black cat with far too many toes and a tuft of white fur on her chest. After a recent visit to the Hebrides and some careful consideration we named her Cait (cat?) sìth.

We can’t find a single spoken pronunciation recording from someone who actually speaks Scots ...