sub-rogō or surrogō

   sub-rogō or surrogō āvī, ātus, āre.—Of the presiding officer in the comitia,    to put the vote on the choice of a substitute, cause to be elected in place of another, put in another's place, substitute (cf. sufficio, of the people): cum idem essent (decemviri) nec alios subrogare voluissent: collegam in locum Bruti, L.: comitia praetoris in locum Decimi subrogandi, for the election of a praetor in place of, etc., L.: ad magistratūs subrogandos, L.