This is the 235th most frequent Norwegian word.
kastet
"Kastet" means "threw" or "thrown" in English, depending on context.
In this sentence, 'kastet' is the past tense of 'kaste', meaning 'to throw'. It describes the action of physically throwing an object.
Han kastet ballen over gjerdet.
He threw the ball over the fence.
Here, 'kastes' is the passive form derived from 'kaste', describing the necessity for used paper to be disposed of.
Brukt papir må kastes i søppelkassen.
Used paper must be thrown in the trash bin.
In this context, 'kastet' is still the past tense of 'kaste', but it is used reflexively ('kastet seg'), indicating a deliberate and sudden movement into the water.