From LeakyPedia

Contents 1 Pronunciation 2 Description 3 Seen/mentioned 4 Notes 5 Suggested etymology

[edit] Pronunciation

/ˌæpəˈriːsi.əm/ ap-ə-ree-see-əm

[edit] Description

This spell makes invisible ink appear.

[edit] Seen/mentioned

First seen in Harry Potter and the Chamber of Secrets, when Hermione tries to make hidden writing appear in Tom Marvolo Riddle's diary.[CS Ch.13]

[edit] Notes

See also Specialis Revelio.

[edit] Suggested etymology

The Latin word appareo which means "to become visible or to appear".[7]