sweat equity

1. Increased worth of a business (over and above the money invested) created by the unpaid mental and/or physical hard work of the founder/owner.

2. Increased value of a property (over and above its purchase price) created by the hard work of the owner/occupant in enhancing its amenities and/or looks.

3. Extra percentage of a firm's common stock (ordinary shares) allocated to the senior executives (over and above their current shareholdings) as an additional motivation for continuing hard work for the firm's success.