Where does “triborough” come from?

triborough (English) comes from English borough, from Middle English borwe, from Old English burh, from Old English burg, from Proto-Germanic burgz, from Proto-Indo-European bʰr̥ǵʰ-.

triborough (English): Of or relating to three boroughs

Definitions

  1. Of or relating to three boroughs

Ancestry of “triborough”, step by step

triborough traces back through two separate lines of ancestry.

via English borough

StepLanguageWordMeaning
1EnglishboroughA fortified town; A town or city; A town having a...
2Middle EnglishborweA pledge or security asset deposited as guarantee
3Old EnglishburhAlternative form of burg; fortress; hill
4Old Englishburgcity; town; a fortified place: stronghold, fort,...
5Proto-Germanicburgzfortification, stronghold; city
6Proto-Indo-Europeanbʰr̥ǵʰ-

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European bʰr̥ǵʰ-