balir mahendraṠdaśabhis
tribhir airÄvataá¹ Å›araiḥ
caturbhiÅ› caturo vÄhÄn
ekenÄroham Ärcchayat
baliḥ - MahÄrÄja Bali; mahÄ-indram - the King of heaven; daÅ›abhiḥ - with ten; tribhiḥ - with three; airÄvatam - AirÄvata, carrying Indra; Å›araiḥ - by arrows; caturbhiḥ - by four arrows; caturaḥ - the four; vÄhÄn - mounted soldiers; ekena - by one; Äroham - the driver of the elephants; Ärcchayat - attacked.
The word vÄhÄn refers to the soldiers on horseback who protected the legs of the carrier elephants. According to the system of military arrangement, the legs of the elephant bearing the commander were also protected.