Where does “blecchen” come from?

blecchen (Old High German) comes from Proto-West Germanic blīkan, from Proto-Germanic blīkaną, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “blecchen”, step by step

StepLanguageWordMeaning
1Proto-West Germanicblīkanto shine
2Proto-Germanicblīkanąto gleam; shine
3Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
4Proto-Indo-Europeanbʰōl-—

Words derived from “blecchen”

Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Germanic blīkaną →