Śrīmad-Bhāgavatam · Text 4.14.45
Who is speaking and story frame
तं तु तेऽवनतं दीनं किं करोमीति वादिनम् ।
निषीदेत्यब्रुवंस्तात स निषादस्ततोऽभवत् ॥ ४५ ॥
taṁ tu te ’vanataṁ dīnaṁ
kiṁ karomīti vādinam
niṣīdety abruvaṁs tāta
sa niṣādas tato ’bhavat
He was very submissive and meek, and immediately after his birth he bowed down and inquired, “Sirs, what shall I do?” The great sages replied, “Please sit down [niṣīda].” Thus Niṣāda, the father of the Naiṣāda race, was born.
Read Śrīla Prabhupāda's purport on Vedabase.io