tam - that (tree trunk); tu - but; saṅkarṣaṇaḥ - Lord Balarāma; mūrdhni - on His head; patantam - falling; acalaḥ - an unmoving mountain; yathā - like; pratijagrāha - took hold of; bala-vān - powerful; sunandena - with Sunanda, His club; ahanat - He struck; ca - and; tam - him, Dvivida.

But Lord Saṅkarṣaṇa remained as motionless as a mountain and simply grabbed the log as it fell upon His head. He then struck Dvivida with His club, named Sunanda.