As before, or aforesaid; in the same manner; also.

ETYM Italian, detto, ditto, from Latin dictum. Related to Dictum.
1. A mimeographic reproduction of a document.
2. A ditto mark.
3. A thing mentioned previously or above — used to avoid repeating a word; often symbolized by inverted commas or apostrophes.

Having the same characteristics; similar

1. To repeat an action.
2. To repeat an action or statement.