TSUMUGU · TOCFL 1 · 字
週
週 ＝ 辶 ＋ 周
ㄓㄡ · zhōu
noun — a week; a full circuit
字源 FORM — what the parts do
辶義walking — a road and a foot
A walk (辶) that comes back to where it started — one full circuit. 周 gives the sound exactly, all-around sense included. The seven days that loop and start again: 週末、下週、一週.
故事 STORY — a scene to remember it by
他沿著城牆走（辶）了一圈，回到原來的門口。
A walk (辶) along the city wall, a full circle — back to the same gate.
字源記憶法
意 · Meanings
(本義)一週、週期— one full circuit
→週末、下週— the week — seven days round常用
(本義) original meaning · → ⇒ each arrow = one more step of extension