Possible Clues:

• Language - the Queen's English
• The Gaelic would speak shortly after tea
• Goidelic tongue
• Manx tongue
• The sound of the gale, in a manner of speaking
• Language from which 'galore' comes
• In a manner of speaking, that's what makes a Gaelic seer
• How the seer turns inside out for the Irish
• Old language spoken by strange seer
• Some other Semitic language