This is the 1434th most frequent Portuguese word.
nem
"Nem" means "nor" or "not even" in English.
In this sentence, 'nem' is used to emphasize that not even the speaker had awareness of the possibility mentioned.
Nem eu sabia que isso era possível.
Not even I knew that this was possible.
Here, 'nem' is used to connect ideas in a negative sense, similarly to 'nor' in English.
Ele não canta bem, nem dança.
He doesn't sing well, nor does he dance.
In this statement, 'nem' is utilized to strongly negate expectation or acceptability, emphasizing the condition.