तमुवाच हृषीकेशः प्रहसन्निव भारत। सेनयोरुभयोर्मध्ये विषीदन्तमिदं वचः ॥

tam-uvācha hṛiṣhīkeśhaḥ prahasanniva bhārata senayorubhayor-madhye viṣhīdantam-idaṁ vachaḥ

Then Hrishîkesha, smiling, as it were, O Bhârata, spake these words to him, despondent, in the midst of the two armies:

In plain words: Sanjaya says that Krishna, called Hrishīkesha ("lord of the senses"), almost smiling, spoke to the sad Arjuna there between the two armies.