Origin:
1620–30; < Gk palíndromos recurring, equiv. to pálin again, back + -dromos running (see -drome )

The world's longest Palindromic string is here. I will not dignify it by calling it a sentence. The longest English palindromic word is redivider (9 letters). The longest palindromic word in any language is saippuakivikauppias (19 letters), Finnish for lye dealer.

SO there ye go.

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