Where does “fostorsweostor” come from?

fostorsweostor (Old English) comes from Old English fōstor, from Proto-West Germanic *fōstr, from Proto-Germanic fōstrą, from Proto-Indo-European peh₂- — to protect; to shepherd.

fostorsweostor (Old English): foster sister

Definitions

  1. foster sister

Ancestry of “fostorsweostor”, step by step

fostorsweostor traces back through two separate lines of ancestry.

via Old English fōstor

StepLanguageWordMeaning
1Old Englishfōstorfostering, nourishing, rearing, feeding
2Proto-West Germanic*fōstr—
3Proto-Germanicfōstrąfostering
4Proto-Indo-Europeanpeh₂-to protect; to shepherd

via Old English sweostor

StepLanguageWordMeaning
1Old Englishsweostorsister
2Proto-West Germanic*swestersister
Every word from Proto-Indo-European peh₂- →Every word from Proto-Germanic fōstrą →Every word from Proto-West Germanic *fōstr →