Where does “Blattlaus” come from?

Blattlaus (German) comes from German blatt, from Middle High German blat, from Old High German blat, from Proto-West Germanic blad, from Proto-Germanic bladą, from Proto-Indo-European bʰlh̥₃oto, from Proto-Indo-European bʰleh₃-, from Proto-Indo-European bʰel-.

Blattlaus (German): aphid

Definitions

  1. aphid

Ancestry of “Blattlaus”, step by step

Blattlaus traces back through two separate lines of ancestry.

via German blatt

StepLanguageWordMeaning
1Germanblattleaf green and flat organ of a plant
2Middle High Germanblatleaf
3Old High Germanblatleaf
4Proto-West Germanicbladleaf; sheet; blade
5Proto-Germanicbladąleaf; sheet; blade
6Proto-Indo-Europeanbʰlh̥₃oto
7Proto-Indo-Europeanbʰleh₃-bloom, flower
8Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
9Proto-Indo-Europeanbʰōl-

via German Laus

StepLanguageWordMeaning
1GermanLauslouse
2Middle High Germanlūsa louse
3Old High Germanlūs
4Proto-West Germanicluslouse
5Proto-Germaniclūslouse
6Proto-Indo-EuropeanlewH-louse
Every word from Proto-Indo-European bʰōl-