This is the 6449th most frequent Swedish word.
löfven
"Löfven" is a Swedish surname with no standalone meaning.
The word 'Löfven' here is used as a proper noun referring to an individual, specifically the Prime Minister, Stefan Löfven.
Statsminister Löfven leder Sveriges regering.
Prime Minister Löfven leads the Swedish government.
In this sentence, 'löven' is a plural noun meaning 'the leaves,' referring to foliage.
Under hösten faller många löv från träden.
During autumn, many leaves fall from the trees.
The word 'Löfvén' once again here is a proper noun, referring to the individual Stefan Löfvén in the context of his speech.