A cikin tsoffin matani da kuma a Latin, kalmar Prut(h)enia tana nufin Dukal Prussia, maƙwabcinsa na yamma Royal Prussia, da kuma magabata na yau da kullun, Teutonic Prussia. Tsarin adjective na sunan shine "Prut(h)enic".A cikin 1525 a lokacin gyare-gyaren Furotesta, Babban Maigidan Teutonic Knights, Albert, ya lalata yankin Prussian na tsari, ya zama Albert, Duke na Prussia. Cocin Lutheran da aka kafa a cikin daularsa shine cocin Protestant na farko da aka kafa.
Yaren mutanen Poland da na Lithuania