Zicke f (genitive Zicke, plural Zicken, diminutive Zicklein n)
From Old High German zickīn (“female kid”), from Proto-Germanic *tikk-īn- (compare Old English ticcen (“kid”)), from Proto-Indo-European *digós (“goat”), genitive of *díks. Cognate with obsolete English tick (“a goat”). More at Ziege.