encontró

encontró

"Encontró" means "found."

The word 'encontró' here is used in its sense of 'found,' indicating that Carlos discovered or came across the book at the library.

Carlos encontró un libro interesante en la biblioteca.

Carlos found an interesting book at the library.

The word 'encontró' in 'se encontró' means 'ran into' or 'met by chance,' showing the incidental meeting of María and her friend.

María se encontró con su amiga cuando iba al mercado.

María ran into her friend while going to the market.

Here, 'encontramos' is the plural form of 'encontró,' indicating the action of finding, which in this case did not happen as indicated by the phrase 'never found.'

Aunque buscábamos mucho, nunca encontramos el tesoro perdido.

Although we searched a lot, we never found the lost treasure.