Om Namah Pranavarthaya

ॐ नमः प्रणवार्थाय शुद्धज्ञानैकमूर्तये |
निर्मलाय प्रशान्ताय दक्षिणामूर्तये नमः ‖

oṃ namaḥ praṇavārthāya śuddhajñānaikamūrtaye |
nirmalāya praśāntāya dakṣiṇāmūrtaye namaḥ ‖

Om. Salutation to the one who is the meaning of praņava, who is in the form of pure knowledge, who is taintless and who is free from any change. To that Sri Dakshinamurti, (my) salutations.

Description

This is a popular verse from Sri Dakshinamurti Stotram, composed by Sri Adi Sankaracharya.

Excerpt from the book ‘Prayer Guide’ by Swami Dayananda Saraswati
Om (learn more about Om here) is an invocation to the Lord Pranavarthaya. Unto pranavartha, the meaning of pranava. Pranava is the name of Om, but we do not chant in japa, pranava, pranava… Pranava means always fresh or eternal which is om and artha is meaning. So pranavartha is the meaning of Om. The meaning of Om is Bhagavan, the Lord, and is derived from the root av, which means ‘to protect’- avati rakshati iti om. Om is the one who protects and sustains the entire creation.

Suddha-jñana-eka-murtaye. Eka-murtaye, unto the one who is eka-murti, of one form, of unsullied knowledge. The Lord is in the form of knowledge which is unsullied by ignorance, who is also essentially pure consciousness, the self, atman.

Nirmalaya, unto the one who is free from any kind of wrong or right actions, papa or punya, and unto the one who is full and complete, prasantaya, always being resolved in his glory; unto him my salutation.