Related Clues:

• Particular language to investigate Monet’s work, as it were?
• Foreign language; jargon
• Jargon or slang (of a group)
• Language of a particular group or sect
• Glass of beer? Fortified drink from south, in trade terms
• Language rejected by cryptographer
• Log in (anag.)
• Strange language from fish and duck
• Large, independent charity possibly making very specific terms
• The locals say Mao came from Mongolia?
• Some calling on special jargon
• Strange language from criminal in Gotham
• Jargon (informal)
• King in toga sent up criminal language
• Lingo or jargon