The Collaborative International Dictionary of English v.0.48:

Pardo \Par"do\, n. [Pg. pardao, fr. Skr. prat[=a]pa splendor,
   majesty.]
   A money of account once used in in Goa, India, equivalent to
   about 2s. 6d. sterling. or 60 cts. (in 1913).
   [1913 Webster]