Where does “Böhnchen” come from?

Böhnchen (German) comes from German Bohne, from Middle High German bone, from Old High German bōna, from Proto-West Germanic baunu, from Proto-Germanic baunō, from Proto-Indo-European bʰabʰ- — bean.

Ancestry of “Böhnchen”, step by step

StepLanguageWordMeaning
1GermanBohnebean
2Middle High Germanbonebean
3Old High GermanbōnaA bean
4Proto-West Germanicbaunubean
5Proto-Germanicbaunōbean
6Proto-Indo-Europeanbʰabʰ-bean
Every word from Proto-Indo-European bʰabʰ-Every word from Proto-Germanic baunōEvery word from Proto-West Germanic baunu