Where does “*toppus” come from?

*toppus (Vulgar Latin) comes from Frankish topp, from Proto-Germanic tuppaz, from Proto-Indo-European dumb- — tail, rod, staff, pole, penis; tail, rod, staff,...

Ancestry of “*toppus”, step by step

Step	Language	Word	Meaning
1	Frankish	topp	tuft; spinning top; summit, top
2	Proto-Germanic	tuppaz	tuft, plait; top, summit
3	Proto-Indo-European	dumb-	tail, rod, staff, pole, penis; tail, rod, staff,...

Words derived from “*toppus”

toppo

Every word from Proto-Indo-European dumb- →Every word from Proto-Germanic tuppaz →Every word from Frankish topp →