noun
Refers to the chemical substance camphor, historically used as a cardiotonic drug.
from Dutch kamfer
カンフルは樟脳から得られる物質です。
Camphor is a substance obtained from camphor trees.
noun
Figurative use derived from the historical medical use of camphor as a stimulant; often used in phrases like カンフル剤となる (to serve as a stimulus).
新政策が経済のカンフル剤となった。
The new policy served as a shot in the arm for the economy.