Where does “bum” come from?

Bum derives from German Bummler, formed from the German verb bummeln with the German suffix -er, ultimately from Proto-Indo-European wer-.

bum (English): The buttocks; The anus; To sodomize; to engage in...

Definitions

  1. The buttocks; The anus; To sodomize; to engage in...

Ancestry of “bum”, step by step

bum traces back through two separate lines of ancestry.

via German Bummler

StepLanguageWordMeaning
1GermanBummlerstroller; laggard; idler, loafer
2German-erForms agent nouns etc. from verbs, suffixed to...
3Old High German-āriused to form agent nouns
4Proto-West Germanic-ārī-er
5Proto-Germanic-ārijaz-er
6Latin-āriuser
7Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via Middle English bom

StepLanguageWordMeaning
1Middle Englishbom

Words derived from “bum

Every word from Proto-Italic *-āzios