Where does “drużbon” come from?

drużbon (Polish) comes from Polish drużba, from Proto-Slavic družьba, from Proto-Slavic drȗgъ, from Proto-Balto-Slavic draugás, from Proto-Indo-European dʰrewgʰ-, from Proto-Indo-European dʰer- — to support; to hold.

Ancestry of “drużbon”, step by step

StepLanguageWordMeaning
1Polishdrużbabest man, groomsman, bridesman; friendship
2Proto-Slavicdružьbafriendship
3Proto-Slavicdrȗgъother
4Proto-Balto-Slavicdraugásfriend
5Proto-Indo-Europeandʰrewgʰ-to deceive, to mislead; to serve one's tribe;...
6Proto-Indo-Europeandʰer-to support; to hold
Every word from Proto-Indo-European dʰer- →Every word from Proto-Indo-European dʰrewgʰ- →Every word from Proto-Balto-Slavic draugás →