अर्जुन उवाच अपरं भवतो जन्म परं जन्म विवस्वतः। कथमेतद्विजानीयां त्वमादौ प्रोक्तवानिति
arjuna uvācha aparaṁ bhavato janma paraṁ janma vivasvataḥ katham etad vijānīyāṁ tvam ādau proktavān iti
Arjuna asked: My Lord! Vyasawana was born before You; how then can You have revealed it to him?
Translated by Shri Purohit Swami
Arjuna said, "Later was Thy birth, and prior to it was the birth of Vivasvan (the Sun); how am I to understand that Thou hast taught this Yoga from the beginning?"
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
arjunaḥ uvācha—Arjun said; aparam—later; bhavataḥ—your; janma—birth; param—prior; janma—birth; vivasvataḥ—Vivasvan, the sun-god; katham—how; etat—this; vijānīyām—am I to understand; tvam—you; ādau—in the beginning; proktavān—taught; iti—thus