書
ショ, か.く, が.き, がき, かき
write
JLPT5 G2 S10 F169
The relevant bronzeware inscription form is 者# (pile) + 聿 implement held upright to carve/draw characters → pile of documents comprising a written work (compare 著) → *book*; *document*; *letter*; *calligraphy*; *style of writing Han/Chinese characters*.
[Full Kanji Etymology List]