This is the 8313th most frequent Russian word.
миг
Moment.
Used to describe a very short duration of time.
В один миг всё изменилось.
In an instant, everything changed.
Refers to a significant, memorable moment in time.
Я помню тот миг, когда увидел её впервые.
I remember the moment I saw her for the first time.
Used metaphorically to describe a flash of insight or inspiration.