tatrarg-veda-dharah pailah
tatra-thereupon; rg-veda-dharah-professor of the Rg Veda; pailah-the rsi named Paila; samagah-that of the Sama Veda; jaiminih-the rsi named Jaimini; kavih-highly qualified; vaisampayanah-the rsi named Vaisampayana; eva-only; ekah-alone; nisnatah-well versed; yajusam-of the Yajur-veda; uta-glorified.