Meaning

originFrom Middle English hey, hei, also without h- in ey, from Old English *hē, ēa (interjection), attested as first element in hēlā, ēalā (“O!, alas!, oh!, lo!”). Cognate with Dutch hé, hei (“hi, hey”), German hei (“hey, wow”), Danish and Swedish hej (“hello, hey”), Faroese hey (“hey, hello”), Old Norse, Icelandic and Norwegian hei (“hey”), Polish hej (“hey, hello”), Romanian hei, Russian эй (ej,…

Etymology from Wiktionary, CC BY-SA 3.0