This is the 799th most frequent Czech word.
časem
"Časem" means "over time" or "eventually" in English.
Here, 'časem' implies a gradual process happening over a period of time.
Časem se naučil novému řemeslu.
Over time, he learned a new craft.
In this sentence, 'časem' signifies that something will happen or become clear as time progresses.
Časem zjistíme pravdu.
In time, we will find the truth.
Here, 'časem' suggests something that is expected or needed at some undefined point in the future.