TSUMUGU · B2 (est.) · 字
嘀
嘀 ＝ 口 ＋ 啇
ㄉㄧˊ · dí
verb/onom — to mutter, whisper, murmur
字源 FORM — what the parts do
啇聲dí — gives the sound
A mouth (口) running on low and steady — to mutter. 啇 dí carries the sound (the same element drips in 滴 and presses in 敵). Almost always doubled with 咕: 嘀咕, to murmur under the breath; 嘀嘀咕咕, on and on in an undertone.
故事 STORY — a scene to remember it by
兩個人湊近嘴巴（口），低低地、一句接一句——嘀咕個沒完。
Two heads close, mouths (口) low, one murmur after another — muttering on and on.
字源記憶法
意 · Meanings
(本義)嘀咕— to mutter, murmur常用
→嘀嘀咕咕— to mumble on and on常用
(本義) original meaning · → ⇒ each arrow = one more step of extension