BaudhŚS, 16, 34, 10.0 trivṛta āyatane trayastriṃśam ukthyam upayanti rathaṃtarasāmānam //

PB, 10, 1, 1.0 agninā pṛthivyauṣadhibhis tenāyaṃ lokas trivṛd vāyunāntarikṣeṇa vayobhis tenaiṣa lokas trivṛd yo 'yam antar ādityena divā nakṣatrais tenāsau lokas trivṛd etad eva trivṛta āyatanam eṣāsya bandhutā //

PB, 10, 6, 1.0 eti prety āśumad vītimad rukmat tejasvad yuñjānaṃ prathamasyāhno rūpaṃ trivṛtaḥ stomasya gāyatrasya chandaso rathantarasya sāmnaḥ //

ĀśvŚS, 9, 1, 17.0 ye 'rvāk trivṛtaḥ stomāḥ syus tṛcā eva tatra sūktasthāneṣu //