Where does “*faitha” come from?

*faitha (Old Dutch) comes from Proto-West Germanic faihiþu, from Proto-West Germanic -iþu, from Proto-Germanic -iþō, from Proto-Indo-European -iteh₂ — -th.

Ancestry of “*faitha”, step by step

StepLanguageWordMeaning
1Proto-West Germanicfaihiþuenmity, hostility; feud
2Proto-West Germanic-iþuForms abstract nouns from verbs, adjectives or...
3Proto-Germanic-iþō-ness, -th
4Proto-Indo-European-iteh₂-th

Words derived from “*faitha”

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