Gaelic,Irish,Welsh languages are all connected to the language of the Celts. The Celts living in Britain were known as Britons. Gaelic['geilik]n.盖尔语ad,盖尔人的❖ Gaelic, Irish, Welsh languages are all connected to the language of the Celts. ❖ The Celts living in Britain were known as Britons. - Gaelic [ˈɡeilik] n. 盖尔语adj. 盖尔人的