TSUMUGU · TOCFL 2 (est.) · 字
婆
ㄆㄛˊ · pó
noun — old woman; grandmother; wife (老婆)
字源 FORM — what the parts do
{b,p}ITbō → pó — the lips open from b to p
A woman (女) under the sound of 波 bō, worn from b to p. The reading lands on the woman past her middle years: the old woman, then 外婆 the grandmother, then 老婆 the wife.
故事 STORY — a scene to remember it by
一個女人（女），鬢角已白如浪（波）——老婆婆。
A woman (女), the hair at her temples already white like surf (波) — the old grandmother.
字源記憶法
意 · Meanings
(本義)老婦人— old woman
→外婆、婆婆— grandmother; mother-in-law常用
→老婆— wife常用
(本義) original meaning · → ⇒ each arrow = one more step of extension