The name Dublin comes from the Middle Irish word (literally "Blackpool"), from "black, dark" and "pool". This evolved into the Early Modern Irish form , which was pronounced "Duílinn" in the local dialect. The name refers to a dark tidal pool on the site of the castle gardens at the rear of Dublin Castle, where the River Poddle entered the Liffey.
The name Dublin comes from the Middle Irish word (literally "Blackpool"), from "black, dark" and "pool". This evolved into the Early Modern Irish form , which was pronounced "Duílinn" in the local dialect. The name refers to a dark tidal pool on the site of the castle gardens at the rear of Dublin Castle, where the River Poddle entered the Liffey.