Where does “folȝen” come from?

folȝen (Middle English) comes from Old English folgian, from Proto-West Germanic folgēn, from Proto-Germanic fulgāną, from Proto-Germanic fullaz, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

Ancestry of “folȝen”, step by step

StepLanguageWordMeaning
1Old Englishfolgianto follow
2Proto-West Germanicfolgēnto follow
3Proto-Germanicfulgānąto follow
4Proto-Germanicfullazfull; the whole, the entire
5Proto-Indo-Europeanpl̥h₁nósfull
6Proto-Indo-Europeanpleh₁-to fill
Every word from Proto-Indo-European pleh₁- →Every word from Proto-Indo-European pl̥h₁nós →Every word from Proto-Germanic fullaz →