464. This #kanjipuzzle is about evolution. Start with one character, add a few strokes, and get another, then repeat. ノ -> ? -> ? -> ? -> ? -> 詠

Answer:

ノ  Katakana "No"

フ  Katakana "Hu"

水  SUI, mizu  - water

氷  HYOU, kouri, hi, kou(ru) - ice, freeze

永  EI, naga(i) - long (time)

詠  EI, yo(mu) - compose, write