ananyaguru
Monier-Williams Sanskrit-English Dictionary (2nd ed.)
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p. 25, col. 2.
an-anya—guru m. ‘having no other as a Guru’,
N. of Kṛṣṇa,
Śiś. i, 35.
Schmidt Nachträge zum Sanskrit-Wörterbuch
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p. 28, col. 2.
ananyaguru Adj. Śiś. 1, 35 lies: allerhöchst.