Where does “Millifljótaland” come from?

Millifljótaland (Icelandic) comes from Icelandic fljót, from Old Norse fljót, from Proto-Germanic fleutą, from Proto-Indo-European plewd-, from Proto-Indo-European plew- — to fly, flow, run.

Ancestry of “Millifljótaland”, step by step

Millifljótaland traces back through two separate lines of ancestry.

via Icelandic fljót

StepLanguageWordMeaning
1Icelandicfljóta large river
2Old Norsefljót
3Proto-Germanicfleutąriver, stream
4Proto-Indo-Europeanplewd-to fly, flow, run
5Proto-Indo-Europeanplew-to fly, flow, run

via Icelandic milli

StepLanguageWordMeaning
1Icelandicmillibetween; Used in set phrases; millionaire
2Icelandicmilljónamæringurmillionaire
3Icelandicmilljónmillion
Every word from Proto-Indo-European plew-Every word from Proto-Indo-European plewd-Every word from Proto-Germanic fleutą