seconder

Etymology
or

Noun

 * 1)  Something that lasts or takes a specified number of seconds.
 * 2) The person who makes a second to a motion in any formal procedure, such as a parliamentary procedure.
 * 3)  A Cub Scout serving as a second-in-command to a sixer.
 * 4)  A person who seconds; a person who climbs after the leader
 * 1)  A Cub Scout serving as a second-in-command to a sixer.
 * 2)  A person who seconds; a person who climbs after the leader
 * 1)  A person who seconds; a person who climbs after the leader

Etymology
From, from Old French.

Verb

 * 1)  to assist
 *  Elle surveillait d'un œil profondément attentif le travail sanglant du bistouri, sa main adroite (...) employant tour à tour, pour seconder l'opérateur, les éponges, les fils (...) les crochets. (Feuillet, Morte, 1886)
 * 1) to help, ease
 * Le principe protestant seconda d'abord l'essor scientifique et le développement industriel, en stimulant les efforts personnels et brisant des règles oppressives. (Comte, Catéchisme positiviste, 1852)