Ṣaḍviṃśa Brāhmaṇa ("26th" book) 17.3

17.3

ubhayatrādye paryāye prathamā ṛk anīkam iṣudhārāsthānīyam | madhyame paryāye yat yāstisro gītiniṣpannā ṛcaḥ saṃdadhāti [saṃdhānaṃ] karoti tā iṣuḥ śaraḥ dhanuśca jyā maurvī ceti tisra etatsthānīyā ityarthaḥ | etābhiḥ dvividhābhiḥ śaraṃ śarāsane saṃdadhāti khalu | evameva pañcabhiḥ, uktāḥ paryāyāstābhiḥ sṛjate | dhanuṣi saṃhitamiṣuṃ lakṣyadeśaṃ prati visṛjati | atrānīkādivisarjanāntāḥ pañca saṃsthāḥ śare vivartanta iti tatsāmyaṃ dvividhāyā viṣṭuteryuktamityarthaḥ |
tatpraśaṃsati-
vajro vai vajra eva trivṛtstomaḥ | triṇavastomo'pi vajraḥ | tasya trayastrivṛta eveti | triṇavasya vajratvaṃ trivṛttvasadbhāvāt | etāvatā kiṃ kṛtamityata uktaṃ yadyevaṃ trivṛttiṇavābhyāṃ ubhābhyāṃ stomābhyāṃ pañcadaśastomaṃ vidadhāti [tarhi] vajrameva tatsamyak saṃdadhātīti | tisṛbhistrivṛto vidhānaṃ
navabhiḥ triṇavasyeti | tat tena vajrameva samyak samīcīnaṃ saṃdadhāti | avayavinaṃ vajraṃ vajrāvayave saṃdadhātītyarthaḥ |
vajrasya trivṛttneṇavasādṛśyaṃ darśayati—