tooth
/tuːθ/·투스·noun
one of the hard, white objects in the mouth used for biting and chewing
Old EnglishCEFR A2
Root
Proto-Indo-European '*h1dont-' (tooth)
PIE *h1dont- → Proto-Germanic *tanthuz → Old English tōþ → Modern tooth. Latin retained the same PIE root as dens/dentis (root of dental, dentist).
In a word
PIE *h1dont-. The same root split two ways — Germanic branch: tōþ → English tooth, German Zahn. Latin branch: dens/dentis → English dental, dentist. Inside one mouth — the everyday tooth and the clinical dental are two arrivals of the same Indo-European root, separated by centuries.
Examples
Brush your teeth twice a day.
The baby is cutting a tooth.
He has a sweet tooth.
Related
teethtoothachetoothbrushdentaldentist