Where does “sankyu” come from?
sankyu (English) comes from Japanese サンキュー, from English thank you, from English thank-you, from English You, from Middle English yow, from Old English ēow, from Proto-West Germanic iwwiz, from Proto-Germanic izwiz — you, thou.
sankyu (English): thank you
Ancestry of “sankyu”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Japanese | サンキュー | thank you |
| 2 | English | thank you | An expression of gratitude or politeness in... |
| 3 | English | thank-you | An expression of gratitude; That expresses thanks |
| 4 | English | You | Honorific alternative letter-case form of you,... |
| 5 | Middle English | yow | Second-person plural object pronoun: you;... |
| 6 | Old English | ēow | Wo!, Alas!; sheep |
| 7 | Proto-West Germanic | iwwiz | — |
| 8 | Proto-Germanic | izwiz | accusative/dative/instrumental of *jūz |
| 9 | Proto-Germanic | *jūz | — |
| 10 | Proto-Indo-European | túh₂ | you, thou |