TSUMUGU · B2 (est.) · 字
蝦
蝦 ＝ 虫 ＋ 叚
ㄒㄧㄚ · xiā
noun — shrimp, prawn
字源 FORM — what the parts do
虫義a small crawling creature (the 虫 radical)the bug radical, used for small water creatures too
叚聲jiǎ/xiá — gives the soundrarely seen alone; here for the reading
Txiá → xiā — the tone shifts
The 虫 radical, stretched to cover small water creatures, beside 叚 for the sound, the tone settling to xiā. From the shrimp: 蝦米 dried shrimp, 蝦仁 shelled shrimp, 大蝦 the prawn. The same 叚 builds 暇、遐、瑕.
故事 STORY — a scene to remember it by
水裡一隻彎著背的小蟲（虫）——彈一下，那是蝦。
A small bent-backed creature (虫) in the water — one flick of its tail, and that is the shrimp.
字源記憶法
意 · Meanings
(本義)蝦、蝦子— shrimp, prawn常用
→蝦米、蝦仁— dried shrimp; shelled shrimp
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
暇xiáthe sound-twin — 暇 takes 日 for leisure time; 蝦 takes for the creature