The value added to a business or project through hard work and effort, often distinguished from monetary investment.
मेहनत का निवेश
English Usage: He contributed sweat equity into the startup by working long hours without a salary.
Hindi Usage: उसने स्टार्टअप में बिना वेतन के लंबे समय तक काम करके मेहनत का निवेश किया।