[HerenIstarion]

HerenIstarion – etymology - probably from the legendary sentence Here, new Star is on [the sky] – ascribed to Melkor when he first saw Earendil’s Silmaril rising. In modern speech, usually expresses astonishment upon seeing something uexpected, long looked for but found in unlikely place

example sentence: herenistarion! here is my long-lost shoe, in a lavatory pan, who would have thought!