Where does “topp” come from?

topp (Old Frisian) comes from Proto-Germanic tuppaz, from Proto-Indo-European dumb- — tail, rod, staff, pole, penis; tail, rod, staff,...

Ancestry of “topp”, step by step

StepLanguageWordMeaning
1Proto-Germanictuppaztuft, plait; top, summit
2Proto-Indo-Europeandumb-tail, rod, staff, pole, penis; tail, rod, staff,...
Every word from Proto-Indo-European dumb-Every word from Proto-Germanic tuppaz