TSUMUGU · TOCFL 1 (est.) · 字
兄
兄 ＝ 口 ＋ 儿
ㄒㄩㄥ · xiōng
noun — elder brother
字源 FORM — what the parts do
儿義a person, seen as two legs below
A mouth (口) set over a person's legs (儿): the one in the household who speaks, gives the word — the elder brother. From there, any senior male addressed with respect: 老兄, 仁兄, 兄弟. Lends its sound to 況, 祝.
故事 STORY — a scene to remember it by
大張著口（口）站在那兒（儿），開口的是當家的——兄。
A mouth (口) over the standing legs (儿) — the one who speaks for the household: the elder brother.
字源記憶法
意 · Meanings
(本義)哥哥— elder brother常用
→老兄、仁兄— (respectful) elder, "brother"
⇒兄弟— brothers常用
(本義) original meaning · → ⇒ each arrow = one more step of extension