Discussion Meaning of D.

[Bradhimself]

I really want to know the history and everything about the D name it's probably the biggest mystery in one piece for me

My guess is that it's the name of the ancient kingdom. Those that fought for the Kingdom's survival and against the formation of the WG probably attached it to their name.

"For D........" or something along those lines.

That's why it's only an initial and not the full thing. As saying it could get you killed like Clover.