Mrityunjaya is a Sanskrit word made of two parts:

✦  Mṛtyu (मृत्यु) = death

✦  Jaya (जय) = victory, conquest, triumph

So Mṛtyuñjaya literally means: "The one who conquers death" or "victorious over death."

The deeper meaning is not just "escaping physical death," but:

✦  freedom from fear

✦  freedom from suffering

✦  release from karmic bondage

✦  awakening to the immortality of consciousness

Benefits.

✦  Prevents untimely ailments

✦  Accelerates recovery from diseases

✦  Purifies karmic debts causing physical suffering

✦  Grants peace of mind, longevity, and robust health