Yāska's Nirukta 6.4

6.4

``ājāsaḥ ṣūṣaṇam rathe niśṛmbhās te jana śriyam/
devam vahantu bibhratah/(ṛV.6,55,6)''
āvahantv ajāḥ pūṣaṇam rathe niśrathya hāriṇas te jana śriyam jāta śriyam/
bṛbaduktho mahaduktho vaktavyam asmā uktham iti bṛbaduktho vā/
``bṛbaduktham havāmahe''
ity api nigamo bhavati/
ṛdūdaraḥ somo mṛdūdaro mṛdur udareṣv iti vā/
``ṛdūdareṇa sakhyā saceya''
ity api nigamo bhavati/
ṛdūpe ity upariṣṭād vyākhyāsyāmah/
pulukāmaḥ purukāmah/
``pulukāmo hi martyah''
ity api nigamo bhavati/
asinvatī asaṅkhād antyau/
``asinvatī bapsatī bhūryattah''
ity api nigamo bhavanti/
kapanāḥ kampanāḥ krimayo bhavanti/
``moṣathā vṛkṣam kapaneva vedhash''
ity api nigamo bhavati/
bhāṛjīkaḥ prasiddhabhāh/
``dhūmaketuḥ samidhā bhāṛjīkah''
ity api nigamo bhavati/
rūjānā nadyo bhavanti rujanti kūlāni/
``sam sujānāḥ pipiṣa indraśatruh''
ity api nigamo bhavati/
jūrṇir javater vā dravater vā dūnoter vā/
``kṣiptā jūrṇir na vakṣati''
ity api nigamo bhavati/
``pari ghraṃsamomanā vām vayo gāt/''
paryagād vām ghraṃsamaharavanāyānnam/