cata-
/ˈkætə/(亦作cat-)
prefix
1
- down; downwards表示“下”, “向下”：
catadromous.
2
- wrongly; badly表示“误”, “坏”：
catachresis.
3
- completely表示“完全”：
cataclysm.
4
- against; alongside表示“反对”, “在…旁”：
catapult.
词源
from Greek kata 'down'.