Occurrences
Maitrāyaṇīsaṃhitā
MS, 3, 11, 1, 9.1 tvaṣṭā dadhad indrāya śuṣmam apāko 'ciṣṭur yaśase purūṇi /
Ṛgveda
ṚV, 8, 2, 35.1 prabhartā rathaṃ gavyantam apākāc cid yam avati /
ṚV, 8, 75, 7.1 kam u ṣvid asya senayāgner apākacakṣasaḥ /