groschen
/ˈɡrəʊʃ(ə)n
/ /ˈɡrɒʃ(ə)n /noun (plural same)
1(Until the introduction of the euro in 2002) a monetary unit in Austria, equal to one hundredth of a schilling.Four talers, six groschen, ten pfennige, and eighty miles to Austria.
1.1 historical A small German silver coin.
1.2 informal (Until the introduction of the euro in 2002) a German ten-pfennig piece.
Origin
German, from Middle High German grosse, from medieval Latin (denarius) grossus 'thick (penny)'; compare with groat.