This is the 287th most frequent Icelandic word.
upplýsingum
"Upplýsingum" means "information" in English.
In this sentence, 'upplýsingum' is used in the dative plural form of the noun 'upplýsing' and means 'information'. The context shows it as something being asked for or requested.
Ég þarf að biðja um frekari upplýsingum frá honum.
I need to request further information from him.
Here, 'upplýsingum' appears as part of the prepositional phrase 'með upplýsingum', which also uses the dative case to indicate the means or instrument (information) by which something is done.
Með upplýsingum geturðu tekið betri ákvarðanir.
With information, you can make better decisions.
'Upplýsingum' in this sentence is in the dative plural form, employed here because it is the object of the verb 'deildum', which dictates the dative case for its object in Icelandic.