Related Clues:

• The French can from Rome may be tongue
• The French can not be French
• The classical way to have been lying about tea
• The French 27 across is not in French
• Sounds as if the seer has a gay lick
• The French can be not in French
• Irish seer, in a manner of speaking
• An old tongue was lying about a little tea
• Language from which 'spunk' is derived
• Like many mottoes
• Scots or Irish Gaelic
• Hogwarts motto language
• Julius Caesar's language
• With 42-Across, one who might memorize 64-Across?
• Source of much legalese