Yāska's Nirukta 11.16

11.16

``vistvī śamī taranitvena vāghato martāsaḥ santo amṛtatvam ānaśuh/
saudhanvanā ṛbhavaḥ sūra cakṣasaḥ saṃvatsare samapṛcyanta dhītibhih/''.
kṛtvā karmāṇi kṣipratvena vodhāp medhāvino vā/
martāsaḥ santas amṛtatvam ānaśire saudhanvanā ṛbhu1p/
sūra khyānā vā,.sūra prajñā vā/
saṃvatsare samapṛcyanta dhītibhiḥ karmabhih/
ṛbhur vibhvan vāja iti sudhanvana āṅgirasasyatrayaḥ putrā babhuvuh/
teṣām prathama uttamābhyām bahuvat nigamā bhavanti,.na madhyamena/
tad etad ṛbhoś ca bahu vacanena camasasya ca saṃstavena bahūni daśatayīsu sūktāni bhavanti/
āditya raśmi1p apy ṛbhu1p ucyante/
``agohyasya yad asastanā grhe tad adya idam ṛbhu1p na anu gacchatha/''
agohya ādityo agūhanīyas tasya yad asvapatha gṛhe/
yāvat tatra bhavatha na tāvad iha bhavatha iti/
aṅgiraso vyākhyātāh/
teṣām eṣā bhavati/