अश्वस्य त्रयः पुरुषाः प्रतियोद्धारः ॥ कZ_१०.५.०९ ॥
aśvasya trayaḥ puruṣāḥ pratiyoddhāraḥ
For each horse, there are three men as counter-combatants (assigned fighters).
It standardizes unit establishments for budgeting, recruitment, and replacement planning, and prevents under-manned tactical elements.
Operationally: rider/fighter plus immediate support (relief, protection, or handling), ensuring continuity under fatigue or casualties.