Where does “bráthardae” come from?

bráthardae (Old Irish) comes from Old Irish bráthair, from Proto-Celtic brātīr, from Proto-Indo-European bʰréh₂tēr — brother.

bráthardae (Old Irish): brotherly, fraternal; of or pertaining to a...

Definitions

  1. brotherly, fraternal; of or pertaining to a...

Ancestry of “bráthardae”, step by step

bráthardae traces back through two separate lines of ancestry.

via Old Irish bráthair

StepLanguageWordMeaning
1Old Irishbráthairbrother, cousin, kinsman
2Proto-Celticbrātīrbrother
3Proto-Indo-Europeanbʰréh₂tērbrother

via Old Irish Dé

StepLanguageWordMeaning
1Old IrishDévocative/genitive singular of Día
2Proto-Celticdwīyūss—
3Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European bʰréh₂tēr →Every word from Proto-Celtic brātīr →Every word from Old Irish bráthair →