का साम्नो गतिरिति स्वर इति होवाचस्वरस्य का गतिरिति प्राण इति होवाचप्राणस्य का गतिरित्यन्नमिति होवाचान्नस्यका गतिरित्याप इति होवाच ॥ ४ ॥
In plain words
'What is the ultimate support of the Sāma chant?' 'Tone,' he replied. 'What is the support of tone?' 'Prāna,' he replied. 'What is the support of Prāna?' 'Food,' he replied. 'What is the support of food?' 'Water,' he replied.
Close to the Sanskrit
What is the destination of the Sama chant? Tone, he said. What is the destination of tone? Prana, he said. What is the destination of prana? Food, he said. What is the destination of food? Water, he said.