Shiva Purana
भक्षयित्वा शशं शीघ्रं शशादत्वमतो गतः॥ इक्ष्वाकुणा परित्यक्तश्शशादो वनमाविशत ॥ ४ ॥
After devouring the rabbit he quickly became a rabbit Abandoned by the Ikshvakus Shashada entered the forest.
english translation
bhakSayitvA zazaM zIghraM zazAdatvamato gataH॥ ikSvAkuNA parityaktazzazAdo vanamAvizata ॥ 4 ॥
hk transliteration by Sanscript