köken: From Middle High German boc, poc, from Old High German boc, from Proto-West Germanic *bukk. Cognate to English buck, Bavarian Bock, Dutch bok, Norwegian bukk, Swedish bock, Danish buk.
köken: From pipere (“finery”), on the analogy of gömböc and gyerkőc. Created during the Hungarian language reform, which took place in the 18th–19th centuries.