Where does “flu” come from?

flu (Turkish) comes from French flou, from Middle French flou, from Old French flou, from Frankish hlāo, from Proto-Germanic hlēwaz, from Proto-Indo-European ḱlew-, from Proto-Indo-European ḱel- — to cover; to incline.

flu (Turkish): fuzzy; blurred, out of focus

Definitions

  1. fuzzy; blurred, out of focus

Ancestry of “flu”, step by step

StepLanguageWordMeaning
1Frenchfloufuzzy; blurred, blurry; unclear
2Middle Frenchflou—
3Old Frenchfloutired, weary
4Frankishhlāolukewarm, tepid, mild
5Proto-Germanichlēwazlukewarm
6Proto-Indo-Europeanḱlew-to hear
7Proto-Indo-Europeanḱel-to cover; to incline
Every word from Proto-Indo-European ḱel- →Every word from Proto-Indo-European ḱlew- →Every word from Proto-Germanic hlēwaz →