Where does “nachtegaalskruid” come from?

nachtegaalskruid (Dutch) comes from Dutch nachtegaal, from Middle Dutch nachtegale, from Old Dutch nahtagala, from Proto-West Germanic nahtigalā, from Proto-West Germanic naht, from Proto-Germanic nahts, from Proto-Indo-European nókʷts, from Proto-Indo-European negʷ- — bare, naked.

Ancestry of “nachtegaalskruid”, step by step

nachtegaalskruid traces back through two separate lines of ancestry.

via Dutch nachtegaal

StepLanguageWordMeaning
1Dutchnachtegaalnightingale, "Luscinia megarhynchos"; vocal...
2Middle Dutchnachtegale
3Old Dutchnahtagala
4Proto-West Germanicnahtigalānightingale
5Proto-West Germanicnahtnight
6Proto-Germanicnahtsnight
7Proto-Indo-Europeannókʷtsnight
8Proto-Indo-Europeannegʷ-bare, naked

via Dutch kruid

StepLanguageWordMeaning
1Dutchkruidherb; a plant without a wooden stem; spice
2Middle Dutchcruutplant, vegetation, herb; edible plant, vegetable;...
3Old Dutchkrūd
4Proto-West Germanic*krūdherb, plant
Every word from Proto-Indo-European negʷ-