This is the 12575th most frequent Turkish word.
ikiden
"Ikiden" means "from two" in English.
Here 'ikiden' means 'from two' and is used in the sense of exceeding or being more than 'two'.
Sınavda ikiden fazla yanlış yapmamalısın.
You should not make more than two mistakes on the exam.
In this sentence, 'ikiden' refers to the time 'two o'clock', with '-den' indicating 'after' or 'starting from'.
Saat ikiden sonra kitap okuyacağım.
I will read a book after two o'clock.
This usage of 'ikiden' again means 'from two,' specifying a limit of participants.