Where does “cascanueces” come from?

cascanueces (Spanish) comes from Spanish nuez, from Vulgar Latin *nŏcem, from Latin nucem, from Latin nux, from Proto-Italic knuks, from Proto-Indo-European knew-, from Proto-Indo-European ken- — to arise, begin.

cascanueces (Spanish): nutcracker; madcap, harebrained young man

Definitions

  1. nutcracker; madcap, harebrained young man

Ancestry of “cascanueces”, step by step

cascanueces traces back through two separate lines of ancestry.

via Spanish nuez

StepLanguageWordMeaning
1Spanishnuezwalnut
2Vulgar Latin*nŏcem
3Latinnucemaccusative singular of nux
4LatinnuxA nut; A nut-tree; A fruit with a hard shell or...
5Proto-Italicknuksnut
6Proto-Indo-Europeanknew-to scrape; scratch; rub; to scratch; scrape; rub
7Proto-Indo-Europeanken-to arise, begin

via Spanish cascar

StepLanguageWordMeaning
1Spanishcascarto crack, to split; to hit; to wank
2Latinquassōto shake repeatedly, to quake
3Latin-tōForms here
4Latin-tusForms the past participle of verbs; Forms...
5Proto-Italic-tus
6Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European ken-Every word from Proto-Indo-European knew-Every word from Proto-Italic knuks