English

know-how

/ˈnəʊ.haʊ/
The knowledge and skill to be able to (do something correctly).

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    Origin

    Deverbal from know how. American English, 1838.

    From Wiktionary, CC BY-SA 4.0.

    Lineage

    • derivedEnglishknow “To perceive the truth or factuality of; to be certain of; to be certain that.”
      • inheritedMiddle Englishknowen
        • inheritedOld Englishcnāwan “to know, perceive, recognise”
        • inheritedOld Englishcnāwen

    Sources