Where does “bucko” come from?

bucko (English) comes from English buck, from Middle English bukke, from Old English būc, from Proto-West Germanic *būk, from Proto-Germanic būkaz, from Proto-Indo-European bʰōw- — to inflate, swell; to swell, grow, thrive, be,...

bucko (English): Buckaroo; young lad, friend, pal

Definitions

  1. Buckaroo; young lad, friend, pal

Ancestry of “bucko”, step by step

bucko traces back through two separate lines of ancestry.

via English buck

StepLanguageWordMeaning
1EnglishbuckA male deer, antelope, sheep, goat, rabbit, hare,...
2Middle Englishbukkemale goat; male deer or roe
3Old Englishbūcbelly, stomach; belly, stomach, pitcher; belly,...
4Proto-West Germanic*būk
5Proto-Germanicbūkazbelly, abdomen; body
6Proto-Indo-Europeanbʰōw-to inflate, swell; to swell, grow, thrive, be,...

via Czech buk

StepLanguageWordMeaning
1Czechbukbeech
2Proto-Slavicbukъecho, noise of splashing water; beech
3Proto-Indo-Europeanbʰeh₂ǵosbeech
Every word from Proto-Indo-European bʰōw-