Shiva Purana
स धर्मविजयी राजा विजित्वेमां वसुंधराम्॥ अश्वं संस्कारयामास वाजिमेधाय पार्थिवः॥ ४८॥
Thus conquering the earth virtuously the king instituted a horse-sacrifice.
english translation
sa dharmavijayI rAjA vijitvemAM vasuMdharAm॥ azvaM saMskArayAmAsa vAjimedhAya pArthivaH॥ 48॥
hk transliteration by Sanscript