increment
n.a small amount that you add to something to make it larger or better. It is often used when talking about money, time, or numbers.
n.a small addition to a quantity, amount, or degree. Often used in technical or financial contexts to describe a specific unit of change.
“The company gives a small increment to employees every year.”
“The software update includes a significant increment in processing speed, allowing the system to handle more data at once.”
“The researcher noted a steady increment in the subject's blood pressure over the course of the experiment, suggesting a physiological response to the new medication.”
“Since 1964, the Up series has followed the lives of several perfectly normal people across the social spectrum at increments of seven years.”
From Middle English encrement, increment, from Latin incrēmentum, from incrēscō (whence increase), from in- + crēscō (“grow”). Equivalent to increase + -ment.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.