I want to share this in the hopes that someone else who searches for an answer to the question I had earlier today might save some time. It’s very simple but the answer isn’t easy to find in the all too sparse Moveable Type documentation.
I wanted MT to return the name of the parent category when in a sub-category. So if we were in the “red” it would return the parent value “color”.
Here is what worked for me in a category template:
It took trial and error which is fun but always a time waster.