Śrīmad-Bhāgavatam 1.4.21

tatrathereupon — thereupon; ṛgthe professor of the Ṛg Veda-vedathe professor of the Ṛg Veda-dharaḥthe professor of the Ṛg Veda — the professor of the Ṛg Veda; pailaḥthe ṛṣi named Paila — the ṛṣi named Paila; sāmathat of the Sāma Veda-gaḥthat of the Sāma Veda — that of the Sāma Veda; jaiminiḥthe ṛṣi named Jaimini — the ṛṣi named Jaimini; kaviḥhighly qualified — highly qualified; vaiśampāyanaḥthe ṛṣi named Vaiśampāyana — the ṛṣi named Vaiśampāyana; evaonly — only; ekaḥalone — alone; niṣṇātaḥwell versed — well versed; yajuṣāmof the Yajur Veda — of the Yajur Veda; utaglorified — glorified.