nivṛtteṣv aśva-medheṣu
rājā yuṣmat-pitāmahaḥ
śṛṇvan bhagavato dharmān
apṛcchad idam acyutam
nivṛtteṣu — when they were completed; aśva-medheṣu — his performances of the horse sacrifice; rājā — the King (Yudhiṣṭhira); yuṣmat — your (Parīkṣit's); pitāmahāḥ — grandfather; śṛṇvan — while hearing; bhagavataḥ — from the Supreme Lord (Kṛṣṇa); dharmān — religious principles; apṛcchat — he asked; idam — this; acyutam — of Lord Kṛṣṇa.