नम आचार्येभ्यो ब्रह्मविद्यासंप्रदायकर्तृभ्यः ॥
In plain words
Homage to the teachers — the ones who made the handing-down of brahmavidyā, the knowledge of Brahman.
Close to the Sanskrit
Salutation to the teachers, to the makers of the transmission of the knowledge of Brahman.