BG 1.21
अर्जुन उवाच हृषीकेशं तदा वाक्यमिदमाह महीपते। सेनयोरुभयोर्मध्ये रथं स्थापय मेऽच्युत
arjuna uvācha senayor ubhayor madhye rathaṁ sthāpaya me ’chyuta
Raising his bow, he spoke this to the Lord Shri Krishna: O Infallible Lord of the earth! Please draw up my chariot between the two armies.
Translated by Shri Purohit Swami
Arjuna said, "O Krishna, place my chariot in the middle between the two armies, so that I may behold those who stand here, desirous to fight, and know with whom I must fight when the battle is about to commence."
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
arjunaḥ uvācha—Arjun said; senayoḥ—armies; ubhayoḥ—both; madhye—in the middle; ratham—chariot; sthāpaya—place; me—my; achyuta—Shree Krishna, the infallible One;