Where does “*þurfti” come from?

*þurfti (Proto-West Germanic) comes from Proto-Germanic þurftiz, from Proto-Germanic þurbaną, from Proto-Indo-European terp- — to satisfy.

Ancestry of “*þurfti”, step by step

StepLanguageWordMeaning
1Proto-Germanicþurftizneed, necessity
2Proto-Germanicþurbanąto need, to require; to have to
3Proto-Indo-Europeanterp-to satisfy

Words derived from “*þurfti”

Every word from Proto-Indo-European terp- →Every word from Proto-Germanic þurbaną →Every word from Proto-Germanic þurftiz →
*þurfti — Etymology, Origin & Word History | Etymology Explorer