Where does “duimspijker” come from?

duimspijker (Dutch) comes from Dutch spijker, from Middle Dutch spīker, from Old Dutch spīkāri, from Proto-West Germanic spīkārī, from Latin spicarium, from Latin -ārium, from Latin -um, from Proto-Italic *-om.

Ancestry of “duimspijker”, step by step

duimspijker traces back through two separate lines of ancestry.

via Dutch spijker

StepLanguageWordMeaning
1Dutchspijkernail; granary
2Middle Dutchspīker
3Old Dutchspīkāri
4Proto-West Germanicspīkārīgranary
5Latinspicariumgranary
6Latin-āriumused primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
7Latin-umnominative neuter singular of -us; accusative...
8Proto-Italic*-om
9Proto-Indo-European*-oHom

via Dutch duim

StepLanguageWordMeaning
1Dutchduimthumb, the inner-most finger; inch; pintle
2Middle Dutchdume
3Old Dutchthūmo
4Proto-West Germanicþūmōthumb
5Proto-Germanicþūmôthumb
6Proto-Indo-Europeantūm-to grow; to swell, to increase; to swell, be...
7Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European *-oHomEvery word from Latin -āriumEvery word from Latin -um