jaimineḥ - of Jaimini; sama-gasya - the singer of the Sāma Veda; āsīt - there was; sumantuḥ - Sumantu; tanayaḥ - the son; muniḥ - the sage (Jaimini); sutvān - Sutvān; tu - and; tat-sutaḥ - the son of Sumantu; tābhyām - to each of them; eka-ekām - one of each of the two parts; prāha - he spoke; saṁhitām - collection.

Jaimini Ṛṣi, the authority of the Sāma Veda, had a son named Sumantu, and the son of Sumantu was Sutvān. The sage Jaimini spoke to each of them a different part of the Sāma-veda-saṁhitā.