expression
Conditional form of 経つ (たつ, 'to pass, to elapse'), used to express that something happens after a certain amount of time has passed. Often follows a duration expression.
See also: 経つ (たつ)
一時間経てば、会議が始まる。
After an hour, the meeting will start.
三日経てば、結果がわかる。
In three days, we'll know the results.