Mahabharat
अक्षौहिणीनां तिसृणाम आसीत समरदर्पितः राजा बृहद्रथॊ नाम मगधाधिपतिः पतिः ॥ २-१६-१२ ॥
'There was a mighty king named Vrihadratha, the ruler of Magadha. He was formidable in battle, commanding three Akshauhinis of troops.' ॥ 2-16-12 ॥
english translation
akSauhiNInAM tisRNAma AsIta samaradarpitaH rAjA bRhadrathò nAma magadhAdhipatiH patiH ॥ 2-16-12 ॥
hk transliteration by Sanscript