Possible Clues:

• It's called between combatants
• Agreement to stop battle
• For the sake of peace, bring the E up short
• Temporary pause in war
• Temporary halt in hostilities
• Stop fighting for the broken cruet
• Fight ender
• Term uncle regularly used for temporary cease-fire
• Shy of a treaty
• Telling it like it is about Charlie ¿ no argument there for the time being