Where does “Pandu” come from?

Pandu comes from Sanskrit पाण्डु, a word of uncertain meaning and etymology.

Ancestry of “Pandu”, step by step

Step	Language	Word	Meaning
1	Sanskrit	पाण्डु	yellowish white, white, pale ṠBr. MBh. Kāv. &c;...

Pandu — Etymology, Origin & Word History | Etymology Explorer