This is the 15726th most frequent Russian word.
приток
Influx; tributary.
In this sentence, 'приток' is used to mean a tributary, referring to a smaller stream or river that flows into a larger one.
Приток реки привёл к увеличению уровня воды.
The tributary of the river led to an increase in the water level.
Here, 'приток' is used to signify an influx, indicating an incoming flow of something, in this case, investments.
Экономика региона выросла благодаря притоку инвестиций.
The region's economy grew due to the influx of investments.
In this example, 'приток' describes an influx of people, specifically tourists coming into a city.