This is the 29th most frequent Slovenian word.
le
"Le" in Slovenian means "only" or "just."
In this sentence, 'le' is used to mean 'only', emphasizing that there is a single book present.
Tukaj je le ena knjiga.
There is only one book here.
Here, 'le' implies 'merely', suggesting that kindness is her only notable trait.
Ona je le prijazna in nič več.
She is merely kind and nothing more.
In this example, 'le' functions as 'just', introducing a caution or advice.