Where does “Cuþswiþ” come from?

Cuþswiþ (Old English) comes from Old English cūþ, from Old English cunnan, from Proto-West Germanic kunnan, from Proto-Germanic kunnaną, from Proto-Indo-European ǵneh₃- — to know.

Ancestry of “Cuþswiþ”, step by step

Cuþswiþ traces back through two separate lines of ancestry.

via Old English cūþ

StepLanguageWordMeaning
1Old Englishcūþknown; familiar, intimate, known, usual; certain,...
2Old Englishcunnanto know, to be familiar with; can, to know how
3Proto-West Germanickunnanto recognise; to know how, to be able
4Proto-Germanickunnanąto know, to be familiar with, to recognise; to...
5Proto-Indo-Europeanǵneh₃-to know

via Old English swiþ

StepLanguageWordMeaning
1Old Englishswiþstrong, mighty
2Proto-West Germanicswinþstrong
3Proto-Germanicswinþazstrong
4Proto-Indo-Europeanswent-vigorous, active, healthy; active, healthy
Every word from Proto-Indo-European ǵneh₃-Every word from Proto-Germanic kunnanąEvery word from Proto-West Germanic kunnan