旁
ボウ, ホウ, つくり, かたがた, かたわら
RHS of character, at same time
JLPT0 G13 S0 F5000
The relevant seal inscription form is as per 方# (spread) + an element combining two horizontal lines and 八 split right and left → both *sides* of the body → *by the side of*; *nearby* → *incidentally*. Also, *spread* (*all over*) and *element positioned on the right side of a Han/Chinese character*.
[Full Kanji Etymology List]