いご以後igo
1.
A reference to the time or period that begins from a specified point and continues indefinitely into the future.
2.
Indicates a subsequent time frame that starts from a particular event or moment, including that moment as part of the reference.
3.
Used to express actions or circumstances that will happen continuously from now onwards, emphasizing future implications following a given point in time.
Example:
以後こんなことはいたしません。