2051. This #kanjipuzzle is about evolution. Start with one character, add a few strokes, and get another, then repeat. 一 -> ? -> ? -> ? -> ? -> ? -> ? -> ? -> 贈


一 -> 二 -> コ -> 口 -> 日 -> 旧 -> 田 -> 曽 -> 贈  

一  ICHI, ITSU, hito(tsu) - one

二  NI, futa(tsu), futa - two

コ  Katakana "Ko"

口  KOU, kuchi - mouth

日  NICHI, JITSU, hi, ka - sun, day

旧  KYUU, KU - old, former

田  DEN, ta - paddy field

曽  SOU, katsute - overlap

贈  ZOU, SOU, oku(ru) - give, present, bestow