This is the 3616th most frequent Swedish word.
fyllts
"Fyllts" means "has been filled" in English.
In this sentence, 'fyllts' is used as a past participle in the passive voice to describe the action of filling the glass with water.
Glaset hade fyllts med vatten.
The glass had been filled with water.
Here, 'fyllts' conveys the idea of being filled metaphoricaly, indicating the saturation of emotion in her heart, also expressed in the passive form.
Känslan av lycka fyllts i hennes hjärta.
The feeling of happiness filled her heart.
In this case, 'fyllts' represents the result of an action over time, showing that the bowl now contains fruit and emphasizing the completion of the filling process.