Word-by-word meaning of the Maha Mrityunjaya Mantra:-

ॐ aum = is a sacred/mystical syllable in Sanatan Dharma or Hindu religions, i.e. Hinduism, Jainism, Buddhism. Aum also appears in ancient African religion i.e. Ancient Egyptian Religion (Kemetic). Aum appears in the Ancient Egyptian papyri of Leiden and Demotic). In Ancient Egyptian Religion the sound 'Aum' is a Sacred word of power called Hekau.[
त्र्यम्बकं tryambakam = the three-eyed one (accusative case),