從
ジュウ, ショウ, ジュ, したが.う, したが.える, より

from, by, since, whence, through

JLPT0 G13 S0 F5000

Originally, 走# run + 比 line up → run with others in a line → *accompany*; *follow*; *submit to*; *obey*; *abide by* → *consequently*; *in accordance with*; *therefore*. Also, *subdue* and *conquer* (← cause to submit). 从 is a variant form that appears in dual-element characters such as 坐, 巫 and 僉. 乑 is another variant form, this one appearing in 聚 and 衆.

[Full Kanji Etymology List]