wheretofore

formal not-comparable rare

(formal) Up to which point; until which time. / (rare) whithertofore

Japanese Meaning

これまでどの時点まで / これまでに至るどの時点まで

They could not determine wheretofore the law extended, so they consulted a lawyer.

彼らは、法律がどこまで及ぶのかを判断できなかったので、弁護士に相談した。

Sense（1）

(formal) Up to which point; until which time.

Sense（2）

(rare) whithertofore