This is the 14301st most frequent Turkish word.
okunmasından
"Okunmasından" means "from its reading" or "from being read" in English.
Refers to the act of 'reading' the letter to someone else, connoting a thing that is being read by someone.
Bu mektubun ağlayan bir kişiye okunmasından kaçınmalısınız.
You should avoid reading this letter to someone who is crying.
This implies the abstract concept of reading, not specifying the reader but focusing on the act of reading itself.
Kitabın okunmasından çok şey öğrenilmiştir.
A lot has been learned from the reading of the book.
Here it suggests an action performed collectively to ensure understanding or clarity.