This is the 105th most frequent Finnish word.
kahden
"Kahden" means "of two" or "between two" in English.
Here, "kahden" functions as a genitive plural form of "kaksi," the numeral 'two,' indicating something between or involving two entities.
Kävelimme kahden järven välissä.
We walked between two lakes.
In this context, "kahden" is used idiomatically to mean 'between two choices.'
Olin kahden vaiheilla päätöksen kanssa.
I was undecided regarding the decision.
Here, "kahden" signifies 'together/just the two of us,' indicating the involvement of two people exclusively.