Where does “fljuga” come from?

fljuga (Norwegian Nynorsk) comes from Old Norse fljúga, from Proto-Germanic fleuganą, from Proto-Indo-European plewk-, from Proto-Indo-European plew- — to fly, flow, run.

Ancestry of “fljuga”, step by step

StepLanguageWordMeaning
1Old Norsefljúgato fly
2Proto-Germanicfleuganąto fly
3Proto-Indo-Europeanplewk-to fly, flow, run; to splash, to flap with hands
4Proto-Indo-Europeanplew-to fly, flow, run
Every word from Proto-Indo-European plew-Every word from Proto-Indo-European plewk-Every word from Proto-Germanic fleuganą