Where does “istap” come from?

istap (Danish) comes from Danish tap, from Old Danish tapp, from Old Norse tappi, from Proto-Germanic tappô, from Proto-Indo-European deh₂p-, from Proto-Indo-European deh₂- — to share, divide.

istap (Danish): icicle

Definitions

  1. icicle

Ancestry of “istap”, step by step

istap traces back through two separate lines of ancestry.

via Danish tap

StepLanguageWordMeaning
1Danishtapprotruding component of a device; cone cell;...
2Old Danishtapp—
3Old Norsetappi—
4Proto-Germanictappôplug; tap
5Proto-Indo-Europeandeh₂p-to sacrifice; to lose
6Proto-Indo-Europeandeh₂-to share, divide

via Danish is

StepLanguageWordMeaning
1Danishisice; ice, ice cream
2Old Norseíssice
3Proto-Germanicīsąice
4Proto-Indo-Europeanh₁eyH-ice, frost
Every word from Proto-Indo-European deh₂- →Every word from Proto-Indo-European deh₂p- →Every word from Proto-Germanic tappô →