German poltern

← Middle High German buldern (inherited)

← Middle Low German bolderen (derived)

→ English poltergeist (compound)

→ German Poltergeist (compound)

→ German Bollerwagen (mention)

→ German Polterabend (affix)

→ German Polterplatz (compound)

→ German bollerig (mention)

→ Latvian balss (cognate)

→ Swedish bullra (cognate)