This is the 575th most frequent Bulgarian word.
намалява
"Decreases" or "reduces."
Here, 'намалява' is used to describe a natural decrease (in temperature) over time.
Температурата намалява вечер.
The temperature decreases in the evening.
In this instance, 'намалява' refers to an active effort to reduce something (expenses).
Той намалява разходите си, за да спести пари.
He is reducing his expenses to save money.
Here, 'намалява' is used to indicate a gradual weakening (of light).