Charak Samhita
हुताग्निहोत्रमासीनमृषिमध्येपुनर्वसुम् । पृष्टवान् गुरुमेकाग्रमग्निवेशोऽग्निवर्चसम् ॥३॥
॥ Agnivesha's query॥ After finishing his daily worship and yagna (religious sacrifice), Punarvasu was sitting admidst the sages. Then with concentrated mind, looking like a flame of fire, Agnivesha asked him,
english translation
hutAgnihotramAsInamRSimadhyepunarvasum । pRSTavAn gurumekAgramagnivezo'gnivarcasam ॥3॥
hk transliteration by Sanscript