先
セン, さき, ま.ず, ぽん
before, ahead, previous, future, precedence
JLPT5 G1 S6 F173
The relevant seal inscription form combines 儿# person + 之 (forward motion) → advance in small increments, the feet in close adherence → *go ahead*; *advance* → *tip*; *previous*; *the late*; *ancestor*; *first of all*; *prior*; *the future*.
[Full Kanji Etymology List]