The story
- German · derived fromLuftgeschäft
- Yiddish · borrowed fromלופֿט געשעפֿט
- English todayluftgeschaeft
From Yiddish לופֿט געשעפֿט (luft gesheft), from German Luftgeschäft, from Luft (“air”) + Geschäft (“business”); with spelling influenced by the orthography of the German term.
Etymology from Wiktionary, CC BY-SA 4.0.