Strong's #3796: opse (pronounced op-seh')
from the same as 3694 (through the idea of backwardness); (adverbially) late in the day; by extension, after the close of the day:--(at) even, in the end.
Thayer's Greek Lexicon:
̓́
opse
1) after a long time, long after, late
1a) late in the day, i.e. at evening
1b) the sabbath having just passed, after the sabbath
1b1) at the early dawn of the first day of the week
Part of Speech: verb
Relation: (adverbially) late in the day
Usage:
This word is used 3 times:
Matthew 28:1: " In the end of the sabbath, as it began to dawn toward the first day of the week, came Mary"
Mark 11:19: "And when even was come, he went out of the city."
Mark 13:35: "of the house cometh, at even, or at midnight, or at the cockcrowing,"