Meaning of すい歴史


I wonder, what mean word すい歴史? (I just recognized it that way)

![すい歴史](https://i.stack.imgur.com/CfAsv.jpg)




That says 「古{ふる}い歴史{れきし}」= "old history", not 「すい歴史」.

「すい歴史」 makes no sense.




That says 「古{ふる}い歴史{れきし}」= "old history", not 「すい歴史」.

「すい歴史」 makes no sense.

