以後

Noun

 * 1) afterwards
 * 2) after this; from now on; henceforth; in the future
 * 1) after this; from now on; henceforth; in the future
 * 1) after this; from now on; henceforth; in the future

Etymology
ja

Adverb

 * 1) from now on
 * 2) from... on
 * 1) from... on