Yep, you always attach new knowledge to old one, and refining old one. That’s why learning Chinese after Japanese is not confusing but quite easy: you can reuse

Yep, you always attach new knowledge to old one, and refining old one. That’s why learning Chinese after Japanese is not confusing but quite easy: you can reuse a lot of previous knowledge. In the same way, learning kanji is learning morphemes so the more you know, the more easier it is to learn new words.