Heart Sutra - 2
The short name for Heart Sutra in Tibetan is ཤེས་རབ་སྙིང་པོ། shes rab snying po, or prajnaparamita hridaya in Sanskrit.
ཤེས་རབ། is wisdom, prajna. སྙིང་པོ། is essence, quintessence. Now, as part of translating the title it has become heart in English, even if the Essence of Wisdom Sutra would work fine, too.
The reason for this name is that this sutra has the essence of Buddhist wisdom teachings. If you know this short sutra inside out, you got the essence.
ཤེས་རབ། is wisdom, prajna. སྙིང་པོ། is essence, quintessence. Now, as part of translating the title it has become heart in English, even if the Essence of Wisdom Sutra would work fine, too.
The reason for this name is that this sutra has the essence of Buddhist wisdom teachings. If you know this short sutra inside out, you got the essence.