English

thank you

/ˈθæŋk ˌju/
An expression of gratitude or politeness in response to something done or given.

    Etymology graph

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    • derived
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    • sound component
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    Origin

    From Middle English thanke yow; as with thank God, praise be to God, and praise the Lord, it was originally a present subjunctive form but is usually not parsed that way in current usage. It has also sometimes been parsed as a prodrop form of (present indicative) I thank you, a mechanism that may plausibly coexist with the other one (instances being variable).

    From Wiktionary, CC BY-SA 4.0.

    Lineage

    • inheritedMiddle Englishthanke yow
    • borrowedJapaneseサンキュー

    Sources