krīḍitvā - after playing; su-ciram - for a long time; tatra - there; vicinvantaḥ - looking for; pipāsitāḥ - thirsty; jalam - water; nirudake - waterless; kūpe - in a well; dadṛśuḥ - they saw; sattvam - a creature; adbhutam - amazing.

After playing for a long time, they became thirsty. As they searched for water, they looked inside a dry well and saw a peculiar creature.