The historical meaning of Hindu has changed over centuries which as a modern day Hindu is intriguing
I have never been very interested, but I dont know a lot about it
Well originally it just meant people living in the Indian subcontinent but I guess that's not very interesting for you
I am interested in learning more about it
Well whilst originally it just meant people living in the whole subcontinent it progressed into meaning people there who weren't Turkic or Muslims.