Possible Clues:

• 'Getting warmer,' e.g
• Subtle amount
• Clue from wraith in Tolkien
• A dash within, the clue within
• Clue penned by wordsmith in Times
• Tip: horse is not trying, just starting
• Suggestion made by husband in jest, ultimately
• Tiny amount
• Clue relative
• Greeting given by Matthew etc bringing a suggestion