यदुराजधानीं मथुरां न्यरुधत् सर्वतोदिशम् ॥ ४ ॥
tisṛbhiś cāpi saṁvṛtaḥ
nyarudhat sarvato diśam
akṣauhiṇībhiḥ — by akṣauhiṇī divisions (each consisting of 21,870 soldiers on elephants, 21,870 charioteers, 65,610 cavalrymen and 109,350 infantry soldiers); viṁśatyā — twenty; tisṛbhiḥ ca api — plus three; saṁvṛtaḥ — surrounded; yadu — of the dynasty of Yadu; rājadhānīm — the royal capital; mathurām — Mathurā; nyarudhat — he besieged; sarvataḥ diśam — on all sides.
With a force of twenty-three akṣauhiṇī divisions, he laid siege to the Yadu capital, Mathurā, on all sides.
The numbers involved in an akṣauhiṇī division are given in the word meanings. An akṣauhiṇī was a standard fighting force in ancient times.