Boxers meet in the boxing RING, which is decidedly & universally a SQUARE. But it wasn't always so. Early fights were street events where a crowd formed a human ring or circle. Later, chalk lines or ropes kept them back for safety. Now you can have 'ringside seats' at the 'squared circle'.
Scary. I was thinking about exactly this, only a few hours ago. Get out of my head. It's filthy in there!
Great minds think alike! This one definitely started as a 5 AM musing.
Ein Boxring ist quadratisch - ein Meerschwein kann nicht schwimm'n ... 🎶
Was Boxing originally called Circling? /bad-joke
Now that you mention it, sumo wrestling is still in a circle. (Right?) Maybe all these combat type things started out this way. Maybe the ropes and corners on square platforms gave us more moves, opportunities for *contained* spectacles. On a circle, they'd just topple the boundary over.