This is the 11222nd most frequent Polish word.
grzało
"Grzało" is the past tense of "grzać," meaning "heated" or "was heating."
In this sentence, "grzało" is used in the context of describing a general heating or warming effect, likely referring to the sunlight or temperature.
Grzało tak mocno, że musieliśmy szukać cienia.
It was heating so strongly that we had to seek shade.
Here, "grzało" is used to depict an object (the lamp) becoming very hot, often due to a technical or physical process.
Kiedy podłączałem lampę, grzało się aż do czerwoności.
When I connected the lamp, it was heating up to redness.
In this example, "grzało" refers to the act of the heater warming the environment, indicating a steady and intended heating process.