Where does “oighearaois” come from?

oighearaois (Irish) comes from Irish aois, from Old Irish áes, from Proto-Celtic aiwestom, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

oighearaois (Irish): ice age

Definitions

  1. ice age

Ancestry of “oighearaois”, step by step

oighearaois traces back through two separate lines of ancestry.

via Irish aois

StepLanguageWordMeaning
1Irishaoisage; period of expectation of life; old age
2Old Irisháesage, years; stage, period; era
3Proto-Celticaiwestomage; lifetime; era
4Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via Irish oighear

StepLanguageWordMeaning
1Irishoighearice
2Old Irishaigice; third-person singular present indicative...
3Proto-Celticyegisice
4Proto-Indo-Europeanh₁yeg-ice, icicle
Every word from Proto-Indo-European h₂ey-Every word from Proto-Celtic aiwestomEvery word from Old Irish áes