yogād avaihi → yogāt + avaihi (final -t before vowel)
Verse Context
Sādhana for brahmajñāna: śraddhā, bhakti, dhyāna-yogaMahavakya: Supports the means for mahāvākya assimilation (nididhyāsana): faith in the teaching, devotion to truth/guru/Īśvara, and contemplative absorption enabling direct recognition of identity.AtharvaAtharva-veda (Kaivalya Upaniṣad; śākhā attribution not conclusively fixed) ShakhaChandas: Prose (brief upaniṣadic sentence)