1. German: possibly a habitational name for someone from Belkau in eastern Germany (near Stendal).
2. North German: from Middle Low German belke ‘beam’, ‘rafter’, hence a nickname for an exceptionally tall person.
3. Altered spelling of German Boehlke, Bölke.
GIVEN NAMES: German 7%. Erna, Hans, Helmut, Kurt.
See the Key to the Dictionary or consult the General Introduction for further explanation.