1761. This #kanjipuzzle is about evolution. Start with one character, add a few strokes, and get another, then repeat. 一 -> ? -> ? -> ? -> 緒

Answer:

一 -> 十 -> 土 -> 者 -> 緒

一  ICHI, ITSU, hito(tsu) - one

十  JUU, tou, to - ten

土  DO, tsuchi - earth, soil

者  SHA, mono - person

緒  SHO, CHO, o(chiru) - beginning, cord, strap