TSUMUGU · C1 (est.) · 字
酬
酬 ＝ 酉 ＋ 州
ㄔㄡˊ · chóu
verb — to repay, reward; to toast
字源 FORM — what the parts do
酉義a wine jar — drinking, hosting
ITzhōu → chóu — the zh- aspirates to ch-, the tone falls
A wine jar (酉) with 州 zhōu for the sound — the host raising his cup to the guest. From the answering toast: to repay, reward, 報酬、酬勞; and the round of social drinking, 應酬.
故事 STORY — a scene to remember it by
主人斟滿酒（酉），舉杯回敬客人——你來我往。
The host fills the cup (酉) and lifts it back to his guest — toast for toast.
字源記憶法
意 · Meanings
(本義)酬酢、敬酒— the host's answering toast
→報酬、酬勞— to repay, reward; payment常用
→應酬— social engagements, entertaining常用
(本義) original meaning · → ⇒ each arrow = one more step of extension