This is the 7240th most frequent Catalan word.
amagats
"Amagats" means "hidden" in English.
Here, 'amagats' is used as an adjective describing the state of the treasures being hidden.
Els tresors estan amagats sota la sorra.
The treasures are hidden under the sand.
In this case, 'amagats' refers to the state of the children hiding during their play.
Els nens van jugar a amagar-se i es van quedar amagats darrere dels arbres.
The children played hide-and-seek and stayed hidden behind the trees.
Here, 'amagades,' the feminine plural form, indicates the state of the keys being hidden.