This is the 3312th most frequent Japanese word.
戻ら
"戻ら" is a conjugation of the verb "戻る," meaning "to return" or "to go back."
The word '戻らない' is used to express the necessity to return to a location, '戻る' being the base verb meaning 'to return'.
今日は家に早く戻らないといけない。
I must return home early today.
The word '戻られる' denotes a respectful form that implies the subject's return to a place in the future.
彼はいつか日本に戻られるだろう。
He will probably return to Japan someday.
The word '戻らなかった' is utilized in the negative past tense, meaning 'did not return,' referring to the movement of the ball.