Where does “welth” come from?

welth (Middle English) comes from Old English welþ, from Proto-West Germanic waliþu, from Proto-West Germanic -iþu, from Proto-Germanic -iþō, from Proto-Indo-European -iteh₂ — -th.

Ancestry of “welth”, step by step

StepLanguageWordMeaning
1Old Englishwelþ—
2Proto-West Germanicwaliþuthe condition of being well, well-being,...
3Proto-West Germanic-iþuForms abstract nouns from verbs, adjectives or...
4Proto-Germanic-iþō-ness, -th
5Proto-Indo-European-iteh₂-th

Words derived from “welth”

Every word from Proto-Indo-European -iteh₂ →Every word from Proto-Germanic -iþō →Every word from Proto-West Germanic -iþu →