Where does “fæġenian” come from?

fæġenian (Old English) comes from Proto-West Germanic faginōn, from Proto-Germanic faginōną, from Proto-Indo-European pōḱ-.

Ancestry of “fæġenian”, step by step

StepLanguageWordMeaning
1Proto-West Germanicfaginōnto gladden, rejoice
2Proto-Germanicfaginōnąto gladden, rejoice
3Proto-Indo-Europeanpōḱ-—
Every word from Proto-Indo-European pōḱ- →Every word from Proto-Germanic faginōną →Every word from Proto-West Germanic faginōn →