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Last name origins & meanings:

  1. Czech (Andráško): from a pet form of Andrasek, a variant of Ondrášek, a derivative of the personal name Ondřej, Czech form of Andreas.
  2. Slovak (Andraško): from a pet form of Andráš, a derivative of the personal name Ondrej, Slovak form of Andreas.
  3. In some cases perhaps from a pet form of the Hungarian personal name András (see Andras).
  4. Perhaps a respelling of Bulgarian Andreasko, from the personal name, Bulgarian form of Andreas.