Where does “istid” come from?

istid (Danish) comes from Danish tid, from English tith, from Old Norse tíð, from Proto-Germanic tīdiz, from Proto-Indo-European déh₂itis, from Proto-Indo-European deh₂y-, from Proto-Indo-European deh₂- — to share, divide.

istid (Danish): ice age

Definitions

  1. ice age

Ancestry of “istid”, step by step

istid traces back through two separate lines of ancestry.

via Danish tid

StepLanguageWordMeaning
1Danishtidtime
2Englishtithtight; nimble
3Old Norsetíðtime; hour; divine service, prayers
4Proto-Germanictīdiztime; period, interval
5Proto-Indo-Europeandéh₂itisinterval, period of time
6Proto-Indo-Europeandeh₂y-to share, divide
7Proto-Indo-Europeandeh₂-to share, divide

via Danish is

StepLanguageWordMeaning
1Danishisice; ice, ice cream
2Old Norseíssice
3Proto-Germanicīsąice
4Proto-Indo-Europeanh₁eyH-ice, frost

Words derived from “istid”

Every word from Proto-Indo-European deh₂- →Every word from Proto-Indo-European deh₂y- →Every word from Proto-Indo-European déh₂itis →