Where does “triple-barrelled” come from?

triple-barrelled (English) comes from English triple, from Middle English triple, from Latin triplus, from Proto-Italic *triplos — threefold, triple.

triple-barrelled (English): Having three separate parts (surnames) linked by hyphens

Definitions

  1. Having three separate parts (surnames) linked by hyphens

Ancestry of “triple-barrelled”, step by step

triple-barrelled traces back through two separate lines of ancestry.

via English triple

StepLanguageWordMeaning
1EnglishtripleMade up of three related elements, often...
2Middle Englishtriple
3Latintriplusthreefold, triple
4Proto-Italic*triplosthreefold, triple

via English barrelled

StepLanguageWordMeaning
1Englishbarrelledsimple past tense and past participle of barrel;...
Every word from Proto-Italic *triplos