An example of dyslexia is constantly writing 13 as 31.
Origin of dyslexia
- New Latin dys– Greek lexis speech (from legein to speak leg- in Indo-European roots)
From American Heritage Dictionary of the English Language, 5th Edition
- Circa 1890, from New Latin dys- + lexia, from Ancient Greek δυσ- (dys-) expressing the idea of difficulty, and Ancient Greek λέξις (lexis, “diction”, “word”).