Where does “Zipf” come from?

Zipf (English) comes from German zipf, from Middle High German zipf, from Proto-Germanic tuppijô, from Proto-Germanic tuppaz, from Proto-Indo-European dumb- — tail, rod, staff, pole, penis; tail, rod, staff,...

Ancestry of “Zipf”, step by step

Step	Language	Word	Meaning
1	German	zipf	tip, peak, corner
2	Middle High German	zipf	—
3	Proto-Germanic	tuppijô	to be atop
4	Proto-Germanic	tuppaz	tuft, plait; top, summit
5	Proto-Indo-European	dumb-	tail, rod, staff, pole, penis; tail, rod, staff,...

Words derived from “Zipf”

Zipfian
Zipf's law

Every word from Proto-Indo-European dumb- →Every word from Proto-Germanic tuppaz →Every word from Proto-Germanic tuppijô →