Board Thread:Support Requests - Getting Technical/@comment-31892545-20190323174235/@comment-9605025-20190324233304

A name? You mean having tabs inside tabs? Well, there is no official name but the inner tabs are typically referred to as sub-tabs. Even then, that typically means you have tabs that are immediately the content of other tabs; not transcluded as part of another page. So, in short, I don't think there is a name for it.

Sub-tabs is usually something like this:

which gives this: