Where does “Dublin” come from?

Dublin derives from Old Irish Duibhlinn, from Old Irish dubh meaning "dark" and linn meaning "pool," referring to a dark body of water.

Dublin (English): now divided into the City of Dublin and three counties; Dún Laoghaire-Rathdown, Fingal and South Dublin

Definitions

  1. now divided into the City of Dublin and three counties; Dún Laoghaire-Rathdown, Fingal and South Dublin

Ancestry of “Dublin”, step by step

Dublin traces back through two separate lines of ancestry.

via Old Irish dub

StepLanguageWordMeaning
1Old Irishdubblack; morally dark, dire, gloomy, melancholy;...
2Proto-Celticdubusblack
3Proto-Indo-Europeandʰewbʰ-deep
4Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Middle Irish Dublind

StepLanguageWordMeaning
1Middle IrishDublind—
2Middle Irishdubblack

Words derived from “Dublin”

Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Indo-European dʰewbʰ- →Every word from Proto-Celtic dubus →