entries → 哪
TSUMUGU · TOCFL 1 (est.) · 字
character · TOCFL 1 (est.)
哪 =
ㄋㄚˇ · nǎ
pron — which, where (interrogative)

字源 FORM — what the parts do

a mouth, the spoken question
nà — gives the soundthe demonstrative "that," also under 娜 and 挪
Tnà → nǎ — same sound, the tone turns to a question
Take "that" (那) and put a mouth (口) beside it: out of the demonstrative comes the spoken question — which one? where? 那 nà gives the sound, the tone tipping up to nǎ: 哪裡、哪個、哪天.

故事 STORY — a scene to remember it by

手指著「」()邊,嘴()卻在問——到底是哪一個?
A finger points at "that" (那), but the mouth (口) is asking — which one, exactly?
字源記憶法
意 · Meanings
(本義)哪裡、哪個— which, where常用
哪天、哪兒— which day; where (colloquial)常用
哪怕— no matter, even if
(本義) original meaning · → ⇒ each arrow = one more step of extension