TSUMUGU · B2 (est.) · 字
謹
謹 ＝ 言 ＋ 堇
ㄐㄧㄣˇ · jǐn
adj — careful, cautious; respectful
字源 FORM — what the parts do
堇聲jǐn — gives the soundclay, sticky earth
Words (言) weighed before they leave — to be careful, guarded. 堇 jǐn carries the sound exactly. 謹慎、嚴謹、謹守.
故事 STORY — a scene to remember it by
每句話（言）都先在嘴裡掂一掂——謹。
Every word (言) weighed on the tongue before it is let out — caution itself.
字源記憶法
意 · Meanings
(本義)謹慎— careful, cautious常用
→嚴謹— rigorous, exacting
⇒謹守、謹記— to keep carefully; to bear in mind
(本義) original meaning · → ⇒ each arrow = one more step of extension