Why is the ninth month called September?
1828, "manager or promoter of a theatrical production," reborrowing of French entrepreneur "one who undertakes or manages," agent noun from Old French entreprendre "undertake" (see enterprise). The word first crossed the Channel late 15c. but did not stay. Meaning "business manager" is from 1852. Related: Entrepreneurship.
One who starts a business or other venture that promises economic gain but that also entails risks.