en⋅ter⋅prise

• a project undertaken or to be undertaken, esp. one that is important or difficult or that requires boldness or energy.
• plan for such a project.
• participation or engagement in such projects.
• boldness or readiness in undertaking; adventurous spirit; ingenuity.
• a company organized for commercial purposes; business firm.

Origin:
1400–50; late ME < MF, n. use of fem. of entrepris (ptp. of entreprendre to undertake) < L inter- inter- + prēnsus grasped, seized, contr. of prehēnsus, equiv. to pre- pre- + hend- take hold of + -tus ptp. suffix

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