This is the 1918th most frequent Turkish word.
kaleme
"Kaleme" means "to the pen" in English.
In this sentence, 'kaleme' refers specifically to the tool used for writing, a pen, emphasizing ownership of the object.
Ben kaleme sahiptim.
I had a pen.
Here, 'kaleme' implies adding or attaching something physically related to the pen, used idiomatically.
Onlar kaleme notlar ekledi.
They added notes to the pen.
In this usage, 'kaleme' metaphorically represents the importance of writing or tools for writing.