Where does “fostorbroþor” come from?

fostorbroþor (Old English) comes from Old English brōþor, from Proto-West Germanic brōþer, from Proto-Germanic brōþēr, from Proto-Indo-European bʰréh₂tēr — brother.

fostorbroþor (Old English): foster brother

Definitions

  1. foster brother

Ancestry of “fostorbroþor”, step by step

fostorbroþor traces back through two separate lines of ancestry.

via Old English brōþor

StepLanguageWordMeaning
1Old Englishbrōþorbrother
2Proto-West Germanicbrōþerbrother
3Proto-Germanicbrōþērbrother
4Proto-Indo-Europeanbʰréh₂tērbrother

via Old English fōstor

StepLanguageWordMeaning
1Old Englishfōstorfostering, nourishing, rearing, feeding
2Proto-West Germanic*fōstr—
3Proto-Germanicfōstrąfostering
4Proto-Indo-Europeanpeh₂-to protect; to shepherd
Every word from Proto-Indo-European bʰréh₂tēr →Every word from Proto-Germanic brōþēr →Every word from Proto-West Germanic brōþer →