Celtic tongue (4)
'celtic tongue' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for erse that I've seen before include "Name sometimes given to languages of the Celts in Ireland and Scotland" , "Old language spoken by strange seer" , "Old Celtic language" , "Possibly the language" , "Irish Gaelic language" .)
'celtic tongue' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for gaelic that I've seen before include "tongue" , "Irish language or Celtic language of Scotland" , "Characteristic of the Celts" , "Language of the Celts" , "Speech" .)