Where does “Followerin” come from?

Followerin (German) comes from German Follower, from English follower, from Middle English folwer, from Old English folgere, from Old English folġian, from Proto-West Germanic folgēn, from Proto-Germanic fulgāną, from Proto-Germanic fullaz — to fill.

Ancestry of “Followerin”, step by step

StepLanguageWordMeaning
1GermanFollowerfollower
2EnglishfollowerOne who follows, comes after another; Something...
3Middle Englishfolwer
4Old Englishfolgerefollower, attendant, disciple
5Old Englishfolġianto follow
6Proto-West Germanicfolgēnto follow
7Proto-Germanicfulgānąto follow
8Proto-Germanicfullazfull; the whole, the entire
9Proto-Indo-Europeanpl̥h₁nósfull
10Proto-Indo-Europeanpleh₁-to fill
Every word from Proto-Indo-European pleh₁-