consumar
/konsuˈmaɾ/ · B2 · verb
to carry out, to commit, to perpetrate
💍 con + sum + ar = bring it all to its full sum, finish the deed
From Latin consummare: con (together) + summa (total, sum). To consummate is to add everything up to a complete total, so the act is fully carried out, whether a deal, a marriage, or a crime.