What is "percunatele"

Perkunatete or Perkunatele is in Baltic mythology the thunder goddess mother of Perkunas, in Slavic mythology referred to as Percunatele mother of Perun, which is probably derived from the Balts Like many such goddesses absorbed into Christianity, she is, today, difficult to distinguish from the Christian madonna, Mary, one of whose epithets was Panna Maria Percunatele. Professor Patricia Monaghan of DePaul University also believes that she was originally derived from the Baltic thunder goddess.