"Disappeared" is formed by adding the prefix "dis-" to "appear", which means to become visible or to come into view. The prefix "dis-" negates the meaning, making "disappear" mean to become invisible or to cease to be visible.
"Disappeared" is formed by adding the prefix "dis-" to "appear", which means to become visible or to come into view. The prefix "dis-" negates the meaning, making "disappear" mean to become invisible or to cease to be visible.