Does Gotrek's axe have a name?

Felix's sword is often referred to by name as Karaghul, Gotrek's axe is only ever referred to as Gotrek's axe.

Does it have a name?

I know where he got it:

But not it's name, if it has one.

The Chaos champion Arek Demonclaw has a vision in which:

So it's clearly very important.

If it does have a name and it's somehow a spoiler, please wrap it up in a spoiler tag!

Here's himself with the axe. (in his right hand)