mahatyāḿ deva-yātrāyāḿ
ratha-sthāḿ durga-nirgatāḿ
jahārānumataḥ pitroḥ
kṛṣṇasya ca mahā-rathaḥ
mahatyam -- important; deva -- for the Supreme Lord; yatrayam -- during a festival; ratha -- on a chariot; stham -- riding; durga -- from the fortress; nirgatam -- having exited; jahara -- he seized her; anumatah -- sanctioned; pitroh -- by her parents; krishnasya -- by Krishna; ca -- and; maha-rathah -- the mighty chariot warrior.
Srila Visvanatha Cakravarti identifies this festival as the annual Rathayatra for Lord Vishnu on the occasion of His rising from mystic sleep at the end of Caturmasya. Subhadra's parents are Vasudeva and Devaki.