countersign

Etymology
From. Equivalent to.

Noun

 * 1)  A second signature added to a document to affirm the validity of the signature of the first person.
 * 2) The response to a sign or signal.

Verb

 * 1)  To sign on the opposite side of (a document).
 * 2)  To add a second signature to a document, affirming the validity of the signature of another person.

Translations

 * Bulgarian: приподписвам
 * Chinese:
 * Mandarin:
 * French:
 * Hungarian:
 * Italian:
 * Latin: contrascibo, contrascribo
 * Manx: co-screeu
 * Polish: kontrasygnować
 * Romanian:
 * Russian: