烫
Character Story & Explanation
In daily life, 烫 appears ubiquitously on warning labels (e.g., 烫！小心——‘Scalding! Caution!’) on steam kettles, noodle shops, and electric rice cookers across China. It’s central to food culture: phrases like ‘烫嘴’ (tàng zuǐ, ‘too hot for the mouth’) are colloquial staples, and the idiom ‘烫手山芋’ (tàng shǒu shān yù, ‘a hot potato’) — documented since the Qing dynasty — metaphorically denotes an unwanted, difficult problem. Medical reports and public health guidelines (e.g., China CDC burn prevention materials) consistently use 烫伤 (tàngshāng) for ‘scald injury’.
The character is not found in oracle bone or bronze inscriptions. Its earliest verified form appears in Song-era printed texts as a phono-semantic compound: 火 (fire) + 汤 (boiling water, phonetic tāng → tàng). No pictographic origin exists — it was deliberately constructed for precision, reflecting how medieval Chinese standardized technical vocabulary for medicine and domestic safety.
Our detective begins at the crime scene: the character 烫 (tàng), a 10-stroke suspect in the 'fire' (火) radical family. Its left side, 火, is unmistakable — an ancient pictograph of flames, still burning brightly in modern script. The right side, 汤 (tāng), means 'boiling water' and doubles as both phonetic clue and semantic partner: fire + boiling water = the very essence of scalding heat. This isn’t coincidence — it’s classical Chinese logic encoded in ink.
Zooming in on historical evidence, 烫 first appears reliably in Song dynasty texts (10th–13th c.), notably in medical and culinary manuals warning against burns from hot soups or iron implements. Unlike older characters etched on oracle bones, 烫 emerged later — a pragmatic invention for a precise thermal danger. Its structure reflects functional linguistics: no mystical origins, just clear cause (fire + hot liquid) and effect (injury).
The detective notes a linguistic fingerprint: 烫 is almost exclusively used as a verb meaning ‘to scald’ or ‘to burn (with heat)’, rarely as a noun or adjective. It carries urgency — you don’t *think* about 烫; you *yelp* after it. Its phonetic component 汤 also anchors it to real-world contexts: hot soup, hot metal, hot tea. Even today, Chinese safety signage near kitchens or factories uses 烫 prominently — not as archaic relic, but as living, functional warning language.
Example Sentences
Common Compounds
Similar Characters — Don't Mix These Up
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