Where does “fáelchú” come from?

fáelchú (Middle Irish) comes from Middle Irish fáel, from Proto-Celtic *wailos, from Proto-Indo-European waylos, from Proto-Indo-European wáy, from Proto-Indo-European uwáy — to see oneself.

fáelchú (Middle Irish): wolf

Definitions

  1. wolf

Ancestry of “fáelchú”, step by step

fáelchú traces back through two separate lines of ancestry.

via Middle Irish fáel

StepLanguageWordMeaning
1Middle Irishfáelwolf
2Proto-Celtic*wailospoor, wretched
3Proto-Indo-Europeanwayloswolf; howler
4Proto-Indo-Europeanwáyoh!; ah!; woe!
5Proto-Indo-Europeanuwáyto see oneself

via Middle Irish cú

StepLanguageWordMeaning
1Middle Irishcúdog, hound
2Old Irishcúdog, hound; wolf
3Primitive Irishᚉᚒᚅᚐhound, wolf
4Proto-Celtickūdog; wolf
5Proto-Indo-Europeanḱwṓdog
Every word from Proto-Indo-European uwáy →Every word from Proto-Indo-European wáy →Every word from Proto-Indo-European waylos →