Where does “jääaeg” come from?

jääaeg (Estonian) comes from Estonian jää, from Proto-Finnic jää, from Proto-Uralic jäŋe — ice.

jääaeg (Estonian): ice age

Definitions

  1. ice age

Ancestry of “jääaeg”, step by step

jääaeg traces back through two separate lines of ancestry.

via Estonian jää

StepLanguageWordMeaning
1Estonianjääice
2Proto-Finnicjääice
3Proto-Uralicjäŋeice

via Estonian aeg

StepLanguageWordMeaning
1Estonianaegtime; tense
2Proto-Finnicaikatime
Every word from Proto-Uralic jäŋe →Every word from Proto-Finnic jää →Every word from Estonian jää →
jääaeg — Etymology, Origin & Word History | Etymology Explorer