good evening

a conventional expression used at meeting or parting in the evening.

Origin of good evening

First recorded in 1860–65

For fear, then, you should fancy to burn the eighth, I'll wish you good-evening!

In the Days of My Youth |Amelia Ann Blandford Edwards
Frank bowed, and bidding the two good-evening, left the room.

The Cash Boy |Horatio Alger Jr.
"I wish you the good-evening and a welcome, Mademoiselle," he said.

Painted Veils |James Huneker
Good-evening, Miss Davenport; but he hesitated, as though he dared not venture to offer his hand.

Wee Wifie |Rosa Nouchette Carey

As I made my way into the porch, a very big man without his coat passed me with a civil 'good-evening.'

Uncle Max |Rosa Nouchette Carey

good evening

a conventional expression of greeting or farewell used in the evening

good evening

see under good day.