aperturar
open
aperture
opening
+
-ar
verb suffix
Aperturar means to open and can be thought of as the English word aperture0 (opening0) combined with the verb suffix1 (-ar1).
verb
  1. open
    To open or start, especially a bank account or business
    Voy a aperturar una cuenta bancaria mañana. // I'm going to open a bank account tomorrow.