Where does “Eóchaill” come from?

Eóchaill (Middle Irish) comes from Old Irish caill, from Proto-Celtic kallī, from Proto-Indo-European kelh₂- — to beat; to break.

Ancestry of “Eóchaill”, step by step

Eóchaill traces back through two separate lines of ancestry.

via Old Irish caill

StepLanguageWordMeaning
1Old Irishcaillforest, wood, woodland
2Proto-Celtickallīgrove, forest
3Proto-Indo-Europeankelh₂-to beat; to break

via Old Irish eó

StepLanguageWordMeaning
1Old Irisheósalmon; stem, shaft; yew, tree
2Proto-Celticesoxssalmon

Words derived from “Eóchaill”

Every word from Proto-Indo-European kelh₂- →Every word from Proto-Celtic kallī →Every word from Old Irish caill →