Where does “Ó Flannabhra” come from?

Ó Flannabhra (Irish) comes from Irish Flann, from Middle Irish flann, from Proto-Celtic wlannos, from Proto-Indo-European welh₃- — to hit, to strike.

Ancestry of “Ó Flannabhra”, step by step

StepLanguageWordMeaning
1IrishFlannblood red
2Middle Irishflannblood-red, crimson; blood
3Proto-Celticwlannos—
4Proto-Indo-Europeanwelh₃-to hit, to strike

Words derived from “Ó Flannabhra”

Every word from Proto-Indo-European welh₃- →Every word from Proto-Celtic wlannos →Every word from Middle Irish flann →