Question

meanging of at the moth hour eve​

Answer 1

time before the stars begin to peep

Answer 2

so here is your answer...

In it the 'moth-hour of eve' is a time before the 'stars begin to peep' implying that the 'moth-hour' is at dusk or twilight.

well after Father Gilligan falls asleep, Yeats refers to dawn or daybreak as the 'time of sparrow chirp/When the moths come once more'.

hope it will help you...