Where does “ホワイトニング” come from?

ホワイトニング (Japanese) comes from English whitening, from English whiten, from Middle English whitenen, from Old Norse hvítna, from Proto-Germanic hwītnōną, from Proto-Indo-European kwind-.

ホワイトニング (Japanese): whitening, the process of making (teeth) whiter

Definitions

  1. whitening, the process of making (teeth) whiter

Ancestry of “ホワイトニング”, step by step

StepLanguageWordMeaning
1Englishwhiteningpresent participle of whiten; A substance, such...
2Englishwhitento become white or whiter; to bleach or blanch
3Middle Englishwhitenen—
4Old Norsehvítnato whiten
5Proto-Germanichwītnōnąto whiten, become white
6Proto-Indo-Europeankwind-—
Every word from Proto-Indo-European kwind- →Every word from Proto-Germanic hwītnōną →Every word from Old Norse hvítna →