ダウン
だうん
noun, suffix
down; decrease; down (jacket)
1.
decrease; decline
A reduction or decline in level, amount, or condition.
2.
being down; collapse
A state of being knocked down, broken, or not functioning.
ダウン is a loanword from English "down" with multiple uses.
Decrease usage
SYSTEM/HEALTH usage
Clothing usage
The opposite for decrease is アップ.