Where does “Fergus” come from?

Fergus (Cebuano) comes from English Fergus, from Irish Fearghas, from Old Irish Fergus, from Proto-Celtic Wirogustus, from Proto-Celtic wiros, from Proto-Indo-European wiHrós, from Proto-Indo-European weyh₁- — to chase, pursue; to suppress, persecute.

Ancestry of “Fergus”, step by step

StepLanguageWordMeaning
1EnglishFergus—
2IrishFearghasof Gaelic origin
3Old IrishFergus—
4Proto-CelticWirogustus—
5Proto-Celticwirosman; husband
6Proto-Indo-EuropeanwiHrósman; husband; warrior, hero
7Proto-Indo-Europeanweyh₁-to chase, pursue; to suppress, persecute
Every word from Proto-Indo-European weyh₁- →Every word from Proto-Indo-European wiHrós →Every word from Proto-Celtic wiros →