The pair of horses in his car were fatigued and he himself was thirsty. That son of Nahusha (Yayati) saw a well in which there was no water.
श्रान्तयुग्यः श्रान्तहयो मृगलिप्सुः पिपासितः। स नाहुषः प्रेक्षमाण उदपानं गतोदकम्॥