Śrīmad-Bhāgavatam · Text 10.20.21
Who is speaking and story frame
पीत्वाप: पादपा: पद्भिरासन्नानात्ममूर्तय: ।
प्राक् क्षामास्तपसा श्रान्ता यथा कामानुसेवया ॥ २१ ॥
pītvāpaḥ pādapāḥ padbhir
āsan nānātma-mūrtayaḥ
prāk kṣāmās tapasā śrāntā
yathā kāmānusevayā
The trees had grown thin and dry, but after they drank the newly fallen rainwater through their feet, their various bodily features blossomed. Similarly, one whose body has grown thin and weak from austerity again exhibits his healthy bodily features upon enjoying the material objects gained through that austerity.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.