Related Clues:

• With 124-Across, Requiem Mass hymn
• Goes "pfft"
• Recedes, as the tide
• Fades or declines
• Simmers down
• Rolls out
• Loses intensity
• Weakens or recedes
• Tails off
• Flows partner
• Dies away
• Dwindles away
• Undergoes a recession
• Goes back out, as the tide
• Drops back