This is the 14283rd most frequent Russian word.
отбить
"Отбить" means "to repel, beat off, knock away, or take back."
In this sentence, 'отбить' means to bounce or deflect.
Отбить мяч о стену.
To bounce the ball against the wall.
Here, 'отбить' is used to indicate repelling or defending against something.
Он смог отбить атаку противника.
He managed to repel the enemy's attack.
In this usage, 'отбить' denotes reclaiming or regaining something abstract like time or opportunity.