Where does “booby” come from?

Booby comes from English brother, which derives from Old English brōþor, from Proto-Germanic brōþēr, ultimately from Proto-Indo-European bʰréh₂tēr meaning "brother."

booby (English): A stupid person; Any of various large tropical...

Definitions

  1. A stupid person; Any of various large tropical...

Ancestry of “booby”, step by step

booby traces back through 3 separate lines of ancestry.

via English bubby

StepLanguageWordMeaning
1EnglishbubbyA woman's breast; bub; bubba; Alternative...
2EnglishbrotherSon of the same parents as another person; A male...
3Middle EnglishbrotherA brother or brother-in-law; a male sibling
4Old Englishbrōþorbrother
5Proto-West Germanicbrōþerbrother
6Proto-Germanicbrōþērbrother
7Proto-Indo-Europeanbʰréh₂tērbrother

via Spanish bobo

StepLanguageWordMeaning
1Spanishbobostupid, silly, naive; A stupid or naive person; a...
2Latinbalbusstammering, stuttering; lisping; fumbling
3Proto-Indo-Europeanbalb-

via English boob

StepLanguageWordMeaning
1EnglishboobIdiot, fool; Idiotic, foolish; To behave...
2Englishbooby-hatchA small hatchway in the deck of a ship; A lunatic...

Words derived from “booby

Every word from Proto-Indo-European bʰréh₂tēr
booby — Etymology, Origin & Word History | Etymology Explorer