"dedo anular" in English

annualry finger- ring finger

toe- tot- finger- digit- fingerbreadth

ring fingerring finger

annular- annulate- ringlike- ring-shaped

to void- to neutralize- to nullify- to nullify- to overturn- to set aside- to spoil- to undo- to cancel out- to disallow- to vacate- to cancel- to abolish- to abort- to abrogate- to annul- to authenticate- to countermand- to delete- to destroy- to dissolve- to invalidate- to negate- to override- to overrule- to repeal- to rescind- to declare … null and void- to stop- to quash