This is the 664th most frequent Japanese word.
あろ
"あろ" is a classical or literary form of "ある," meaning "to be" or "to exist."
あろう is utilized to express a conjecture or assumption about existence.
そこには素晴らしい景色があろう。
There may be a wonderful view there.
あろう is used as the volitional form of ある, used here to express doubt or possibility.
これが真実であろうか。
Could this be the truth?
あろう is used as the volitional form of ある, indicating an event or occurrence under hypothetical or emphatic context.