What is equity suffrage ?

Wikipaedia says  Suffrage, political franchise, or simply franchise is the right to vote in public, political elections (although the term is sometimes used for any right to vote).^[1][2][3] In some languages, and occasionally in English, the right to vote is called active suffrage, as distinct from passive suffrage, which is the right to stand for election.^[4] The combination of active and passive suffrage is sometimes called full suffrage.^[5]

Equity means Fairness and impartiality towards all concerned, based on the principles of evenhanded dealing. Equity implies giving as much advantage, ...

Equity suffrage means fairness and impartiality shown  towards women on the right to vote.