This is the 13934th most frequent Polish word.
portalowi
"Portalowi" in English means "to the portal" or "for the portal," depending on the context.
In this sentence, 'portalowi' refers to the form 'portal' takes when acting as the indirect object of a sentence in the dative case (to the portal).
Podarowałem książkę portalowi, aby mógł ją opublikować.
I donated a book to the portal so it could publish it.
Here, 'portalowi' is used in the dative case to denote that the portal was instrumental or thanks to the portal.
Dzięki portalowi dowiedziałem się wielu ciekawych rzeczy.
Thanks to the portal, I learned many interesting things.
In this example, 'portalowi' indicates the entity to which the emotion or concern is directed, functioning in the dative case.