Where does “erch” come from?

erch (Middle Dutch) comes from Old Dutch arg, from Proto-West Germanic arg, from Proto-Germanic argaz, from Proto-Indo-European h₁ergʰ- — to go, move; to mount; to move, go.

Ancestry of “erch”, step by step

StepLanguageWordMeaning
1Old Dutchargbad, wrong
2Proto-West Germanicargcowardly
3Proto-Germanicargazunmanly, cowardly, unworthy, indecent
4Proto-Indo-Europeanh₁ergʰ-to go, move; to mount; to move, go
Every word from Proto-Indo-European h₁ergʰ- →Every word from Proto-Germanic argaz →Every word from Proto-West Germanic arg →