entries → 匾
TSUMUGU · C1 (est.) · 字
匾 character · C1 (est.)
匾 ＝ 匚 ＋ 扁
ㄅㄧㄢˇ · biǎn
noun — a horizontal inscribed board, a plaque

字源 FORM — what the parts do

匚義a flat box, a flat thing
扁聲biǎn — gives the sound, and means flat
Tbiǎn → biǎn — exact match
A flat frame (匚) holding 扁 (a flat tablet by a door) — a board planed wide and level, lettered and hung up: 匾額、牌匾. 扁 biǎn carries the sound, and its own meaning is flatness.
意 · Meanings
(本義)匾額、牌匾— an inscribed plaque常用
→金匾、橫匾— a gilt/horizontal board
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
扁biǎnthe sound part alone — 戶 (a door) over 冊 (tablets), "flat"; 匾 sets it in the box 匚 as the plaque itself編＝ 糸 ＋ 扁biānthe 扁 series — 編 adds silk 糸 for "to weave, compile"; same sound donor