Zenzizenzizenzic

The weird old math word with too many Zs has the internet joking about AI brands and Scrabble chaos

TLDR: Zenzizenzizenzic is a real 1500s math word for the eighth power of a number, and people are obsessed because it’s bizarre, old, and stuffed with Zs. The comments turned it into a joke factory, with predictions of AI branding, Scrabble fantasies, and podcast-fandom finger-pointing.

A 16th-century math word just crash-landed into modern internet culture, and honestly, the comments are having more fun than the historians. The term is zenzizenzizenzic, an old-fashioned way of saying a number multiplied by itself eight times. Back in 1557, Welsh mathematician Robert Recorde suggested it when people didn’t have today’s neat little superscript numbers. In plain English: it’s a dusty math relic that now mostly survives because it sounds like someone fell asleep on the Z key.

That alone would be enough to get people staring, but the community quickly turned it into a mini comedy festival. One commenter immediately predicted the obvious 2020s twist: some AI startup is absolutely going to steal this vibe for a brand name, comparing it to the way tech companies love strange, made-up words. Another saw a different opportunity entirely, declaring it a future Scrabble weapon, even while admitting they’d probably never get to use it. That mix of awe and nonsense pretty much defined the mood: half “wow, language is amazing,” half “this belongs on a hoodie.”

There wasn’t huge fighting, but there was definitely a little comment-section detective work. Multiple people jumped in to say this wasn’t random trivia at all — it had strong "I just heard this on The Rest is Science " energy. So the real drama wasn’t whether the word is real. It was whether everyone had suddenly discovered the same gloriously absurd fact at once. Either way, the crowd verdict was clear: ridiculous, charming, and weirdly cool.

Key Points

  • Zenzizenzizenzic is an obsolete mathematical term for the eighth power of a number, equivalent to x^8.
  • Robert Recorde introduced the term, spelled *zenzizenzizenzike*, in his 1557 book *The Whetstone of Witte*.
  • The terminology came from a historical naming system for powers used before superscript exponent notation became standard.
  • Related terms included *zenzizenzic* for the fourth power, *zenzicubike* for the sixth power, and *zenzizenzizenzizenzike* for the sixteenth power in Samuel Jeake’s work.
  • The term and its notation system are now obsolete and survive mainly as historical and linguistic curiosities, with the Oxford English Dictionary listing only one citation for the word.

Hottest takes

"Waiting for an AI startup to create a phononym of this" — not_a_bot_4sho
"keeping this gem in my back pocket" — graypegg
"Someone watched ‘The rest is Science’" — AStrangeMorrow
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