It is a key part of the package of policies to strengthen the Welsh language, happening through the Co-operation Agreement between Plaid Cymru and the Welsh Government.
Mae'n rhan allweddol o'r pecyn o bolisïau i gryfhau'r Gymraeg, sy’n digwydd drwy'r Cytundeb Cydweithio rhwng Plaid Cymru a Llywodraeth Cymru.