cause
UK: kɔːz | US: kɔːz
n. a person, thing, or event that makes something happen
n. a principle or movement that one is prepared to support
vt. to make something happen
The word "cause" originates from the Latin causa, meaning "reason" or "motive." It entered Old French as cause before being adopted into Middle English with the same spelling. The silent "e" at the end is a remnant of its French influence. The core idea of "reason" or "source of an effect" has remained consistent throughout its evolution.
The heavy rain was the cause of the flood.
She dedicated her life to the cause of environmental protection.
Smoking can cause serious health problems.
The detective tried to determine the cause of the accident.
His speech inspired many to join the cause.