>I didn't say all words are from Hindi: "Bint", I think, is more Arabic in origin.

Oh.

>(Balti),

Bucket

>We talk of a "cup of cha" - (tea) (from "chai"?).

yup.

>There's probably a whole lot more - many we don't even realise, but I can't think of them at the moment

Small world, things blend, maybe after a while we will have a more universal language than what English is, we will be talking each others languages in bits and pieces with a lot of UR and NP and LOL in it :)