A disease or condition that arises spontaneously or for which the cause is unknown.
- ‘It arises out of employment even though the fall had its origin in the idiopathy of the employee.’
- ‘Maintenance of chaotic nature also leads to the treatment and the prevention of mind, nerve or immune related diseases or periodic idiopathy.’
Late 17th century: from modern Latin idiopathia, from Greek idiopatheia, from idios own, private + -patheia suffering.
We take a look at several popular, though confusing, punctuation marks.