catabasis /kə-tabˈə-sis/

1. A downward movement
2. The decline of a disease in a population

• hayboxes
• haycock
• haycocks
• hay-de-guy
• hay-de-guyes
• Hay diet
• hayed
• hay fever
• hayfield
• hayfields
• hayfork
• hayforks
• haying
• hayings
• hay knife
• hay knives
• hayle
• hayles
• hayloft
• haylofts
• haymaker
• haymakers
• haymaking
• haymakings
• haymow