以後いご
igo

Noun
Adverb

1. after this; from now on; hereafter

以後いごこんなことはいたしません。
igo konna kotowa itashimasen.
I'll never do this again.
Noun
Adverb

2. thereafter; since (then); after

それ以後いご彼女かのじょっていません。
sore igo kanojoni atte imasen.
I haven't seen her since then.
Other forms: