English
do a power of good
To be highly beneficial (to someone).
Etymology graph
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- derived
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- meaning component
- sound component
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Origin
From do good + a power of (“a lot of”).
From Wiktionary, CC BY-SA 4.0.
Lineage
- derivedEnglishdo “A syntactic marker in a question whose main verb is not another auxiliary verb or be.”
- inheritedMiddle Englishdon “to put on”
- inheritedOld Englishdōn
- inheritedOld Englishdōn on
- derivedLatinDominus “The Lord”
- inheritedMiddle Englishdon “to put on”