This is the 13241st most frequent Turkish word.
kayığa
"To the boat."
The word 'kayığa' is the dative form of 'kayık' (boat), indicating 'to the boat.' It is used to show the direction or goal of the boarding action.
Kayığa bindik ve gölde dolaşmaya başladık.
We boarded the boat and started to wander on the lake.
Here, 'kayığa' again uses the dative form, showing the recipient of the action of tying the rope.
Kayığa ip bağladım ki hareket etmesin.
I tied a rope to the boat so it wouldn't move.
'Kayığa' denotes the direction toward the boat, expressing the goal of the swimming action.