This is the 3984th most frequent Russian word.
источник
Source; origin.
Here, 'источник' refers to a natural spring or origin point of water in a geographical context.
У реки был источник чистой воды.
The river had a source of clean water.
In this sentence, 'источник' is used to denote a figurative source, specifically a means or origin for obtaining information.
Книга предоставила ценный источник информации.
The book provided a valuable source of information.
Here, 'источник' symbolizes an origin or cause, specifically an inspiring effect or influence on people.