This is the 736th most frequent Finnish word.
kohden
"Toward" or "per."
The word 'kohden' is used here to emphasize direction towards a general area or a target.
Matkustamme kohti pohjoista kohden Lapin kauniita maisemia.
We travel towards the north towards the beautiful sceneries of Lapland.
'Kohden' in this sentence reiterates the intent or specificity of moving towards the mentioned target.
Käännyimme tienhaarasta vasemmalle, suoraan kohti järveä kohden.
We turned left at the fork, directly towards the lake.
Here, 'kohden' signifies movement or progress towards an abstract concept or an intangible target like a goal.