This is the 15184th most frequent Russian word.
помине
"Помине" means "mention" or "remembrance," typically used in the phrase "нет и в помине" to mean "not even a trace" or "not at all."
The word 'помине' here means 'mention or trace,' indicating the absence or non-existence of an event.
Этого события уже и в помине нет.
This event is nowhere to be mentioned anymore.
In this sentence, 'помине' is used to express a complete lack of reference or mention of the case.
Он об этом случае даже в помине не упомянул.
He didn't even mention this case at all.
Here, 'помине' signifies total absence or disappearance, emphasizing that the person is no longer around in any capacity.