Where does “cúlfhuinneog” come from?

cúlfhuinneog (Irish) comes from Irish fuinneog, from Middle Irish fuindeóc, from Old Norse vindauga, from Old Norse vindr, from Proto-Germanic windaz, from Proto-Indo-European h₂wéh₁n̥ts, from Proto-Indo-European h₂wḗh₁ti, from Proto-Indo-European h₂weh₁- — to blow.

cúlfhuinneog (Irish): rear window

Definitions

  1. rear window

Ancestry of “cúlfhuinneog”, step by step

cúlfhuinneog traces back through two separate lines of ancestry.

via Irish fuinneog

StepLanguageWordMeaning
1Irishfuinneogwindow
2Middle Irishfuindeóc—
3Old Norsevindaugawindow
4Old Norsevindrwind; awry; second/third-person singular present...
5Proto-Germanicwindazwind
6Proto-Indo-Europeanh₂wéh₁n̥tsblowing; that which blows; the wind, air
7Proto-Indo-Europeanh₂wḗh₁tito blow
8Proto-Indo-Europeanh₂weh₁-to blow

via Irish cúl

StepLanguageWordMeaning
1Irishcúlbehind; back; goal
2Old Irishcúlback; rear
3Proto-Celtickūloscorner
4Proto-Indo-EuropeanḱuH-ló-—
5Proto-Indo-European(s)kewH-to cover, bedeck; cover
Every word from Proto-Indo-European h₂weh₁- →Every word from Proto-Indo-European h₂wḗh₁ti →Every word from Proto-Indo-European h₂wéh₁n̥ts →