Caitanya-caritāmṛta 5.139
kvacit krīḍā-pariśrāntaṁ gopotsaṅgopabarhaṇam svayaṁ viśrāmayaty āryaṁ pāda-saṁvāhanādibhiḥ
[kvachit kreedaa-parishraantam gopotsangopabarhanam svayam vishraamayaty aaryam paada-samvaahanaadibhih]
Blended reading (Sanskrit + English inline)
kvacit krīḍā-pariśrāntaṁ gopotsaṅgopabarhaṇam svayaṁ viśrāmayaty āryaṁ pāda-saṁvāhanādibhiḥ
“Sometimes when Lord Kṛṣṇa’s elder brother, Lord Balarāma, felt tired after playing and lay His head on the lap of a cowherd boy, Lord Kṛṣṇa Himself served Him by massaging His feet.”
My note
Source: vedabase.io