Where does “knick-knackery” come from?

knick-knackery (English) comes from English knick-knack, from English knack, from English Knaack, from Dutch knaak, from Middle Low German knoke, from Old Dutch knuko, from Proto-West Germanic *knokō — joint.

Ancestry of “knick-knackery”, step by step

knick-knackery traces back through two separate lines of ancestry.

via English knick-knack

StepLanguageWordMeaning
1Englishknick-knackA small ornament of minor value
2EnglishknackA readiness in performance; aptness at doing...
3EnglishKnaack
4DutchknaakA 2½ guilders coin; A large, valuable coin
5Middle Low Germanknoke
6Old Dutchknuko
7Proto-West Germanic*knokōjoint

via English ery

StepLanguageWordMeaning
1Englishery
Every word from Proto-West Germanic *knokōEvery word from Old Dutch knukoEvery word from Middle Low German knoke