testar
to make a will
testament
a legal document expressing a person's wishes about the disposal of their property after death
+
-ar
verb suffix
Testar means to make a will and can be thought of as testament0 + -ar1 (verb1).
verb
  1. to make a will
    To make a will or testament
    Mi abuelo decidió testar sus propiedades a sus hijos. // My grandfather decided to bequeath his properties to his children.