How X Came To Mean Kiss

Publish date: 2024-05-07

During the Middle Ages, an X as a signature often marked letters as well as oaths to show loyalty and love, with the sender kissing the mark to assure their word. The habit became a precursor to the acronym SWAK ("sealed with a kiss"), something World War I soldiers inscribed on their envelopes home. "Symbols have a way of jumping from one domain to another," said Danesi to the Washington Post

When X found O is still open for speculation. Some point to tic-tac-toe as the origin of the coupling. The game started during ancient Egyptian and Roman times and first used pebbles or coins. "These are two of the simplest contrasting symbols, easy to master by illiterate people," said David Parlett to the media organization, author of "The Oxford History of Board Games." The earliest Stephen Goranson, a Duke University researcher, could find the two together was a letter to Santa printed in the Fort Pierce News Tribune from November 22, 1960, which ended with "Love & Kisses XOXOXO DAVY MIKEY & CHERYL."

Whatever the origin, XOXO now indicates an expression of love, said Brides, and can be used casually in an email to a good friend as a way to say goodbye or to indicate a more undying type of romance in an anniversary card. Or as a sign-off in an article that wishes you a Happy Valentine's Day. XOXO!

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