Yāska's Nirukta 2.p15

2.p15

śunaḥśepo yūpe baddho viśvān devānāha-namo mahadbhyaḥ-vṛddhebhyo yuṣmabhyaṃ namaḥ, arbhakebhyaḥ-bālebhyo namaḥ, yuvabhyaḥ-taruṇebhyo namaḥ, āśinebhyaḥ-'aśū vyāptau' ityasyedaṃ rūpam, vyāptṛbhyaḥ| palitānāṃ kārtṛṇyavṛddhatvalakṣaṇayordvayorapi vayasorvyāptṛtvādāśinā āsannapalitau madhyamavayo'vasthā ucyante | kuta etat ? vayo'dhikārāt | madhyamasya vayaso-