aparyāptam — immeasurable; tat — that; asmākam — of ours; balam — strength; bhīṣma — by Grandfather Bhīṣma; abhirakṣitam — perfectly protected; paryāptam — limited; tu — but; idam — all this; eteṣām — of the Pāṇḍavas; balam — strength; bhīma — by Bhīma; abhirakṣitam — carefully protected.