Where does “Ealhswiþ” come from?

Ealhswiþ (Old English) comes from Old English swīþ, from Proto-West Germanic swinþ, from Proto-Germanic swinþaz, from Proto-Indo-European swent- — vigorous, active, healthy; active, healthy.

Ancestry of “Ealhswiþ”, step by step

Ealhswiþ traces back through two separate lines of ancestry.

via Old English swīþ

StepLanguageWordMeaning
1Old Englishswīþstrong, mighty, powerful, active, severe,...
2Proto-West Germanicswinþstrong
3Proto-Germanicswinþazstrong
4Proto-Indo-Europeanswent-vigorous, active, healthy; active, healthy

via Old English ealh

StepLanguageWordMeaning
1Old Englishealhtemple
2Proto-Germanicalhsshelter; building; temple; sanctuary; settlement,...
3Proto-Indo-Europeanh₂lek-to protect
Every word from Proto-Indo-European swent-Every word from Proto-Germanic swinþazEvery word from Proto-West Germanic swinþ