What is the word Biro named after?
The word 'biro' or 'Biro' comes from the name of the inventor of
the ballpoint pen as we know it now, and refers specifically to the
Biro and generically to that type of pen.
The inventor's name was László József Bíró (or, in his native
Hungarian, Bíró László József); he lived from 1899 to 1985.
You can learn more about Biro from many sources, including the
link below.