An example of dyslexia is constantly writing 13 as 31.
Origin of dyslexiaModern Latin from dys- + Classical Greek lexis, speech from legein, to speak: see logic
Origin of dyslexiaNew Latin dys- Greek lexis speech ( from legein to speak ; see leg- in Indo-European roots.)
(countable and uncountable, plural dyslexias)
Circa 1890, from New Latin dys- + lexia, from Ancient Greek δυσ- (dys-) expressing the idea of difficulty, and Ancient Greek λέξις (lexis, “diction”, “word”).