Where does “flukker” come from?

flukker (Old Swedish) comes from Old Norse flokkr, from Proto-Germanic flukkaz, from Proto-Germanic flukkōną, from Proto-Indo-European pluknéh₂-.

Ancestry of “flukker”, step by step

StepLanguageWordMeaning
1Old Norseflokkrflock; group of at least five persons; a small...
2Proto-Germanicflukkazcrowd, troop, flock
3Proto-Germanicflukkōnąto fly, flutter
4Proto-Indo-Europeanpluknéh₂-—
Every word from Proto-Indo-European pluknéh₂- →Every word from Proto-Germanic flukkōną →Every word from Proto-Germanic flukkaz →