TSUMUGU · TOCFL 2 (est.) · 字
居
居 ＝ 尸 ＋ 古
ㄐㄩ · jū
verb — to dwell, reside; to occupy (a position)
字源 FORM — what the parts do
尸形a body settled, sitting on its heels
{g,j}ITgǔ → jū — the back of the throat moves g to j, tone shifts too
A body settled down (尸), with 古 gǔ lending the sound, worn from g to j. The body that stays put: to dwell, 居住, 居民; then to hold a place, 居中, 居首.
故事 STORY — a scene to remember it by
一個人屈膝坐定（尸），在這兒住下——居。
A person folds down onto their heels (尸), settling in to stay — to dwell.
字源記憶法
意 · Meanings
(本義)居住、定居— to dwell, reside常用
→居民、鄰居— resident, neighbour常用
⇒居中、居首— to occupy (a position)
(本義) original meaning · → ⇒ each arrow = one more step of extension