avighnatas
Monier-Williams Sanskrit-English Dictionary (2nd ed.)
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p. 108, col. 1.
a-vighna—tas ind. without obstacle,
Rājat.
Schmidt Nachträge zum Sanskrit-Wörterbuch
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p. 75, col. 3.
avighnatas Adv. ohne Hindernisse, R. ed. Bomb. 1, 62, 12; Rājat. 4, 157.