Where does “Deltaplan” come from?

Deltaplan (Dutch) comes from Dutch plan, from French plan, from French plain, from Old French plain, from Latin plēnus, from Proto-Italic plēnos, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

Deltaplan (Dutch): Delta Plan; the infrastructural project that led to the construction of the waterworks protecting the delta of the Scheldt, Rhine and Meuse against flooding

Definitions

  1. Delta Plan; the infrastructural project that led to the construction of the waterworks protecting the delta of the Scheldt, Rhine and Meuse against flooding

Ancestry of “Deltaplan”, step by step

Deltaplan traces back through two separate lines of ancestry.

via Dutch plan

StepLanguageWordMeaning
1DutchplanA set of intended actions, through which one...
2Frenchplanplan; map; plane
3Frenchplainplane
4Old Frenchplainfull; plain; flat
5Latinplēnusfull; filled; complete
6Proto-Italicplēnosfull
7Proto-Indo-Europeanpl̥h₁nósfull
8Proto-Indo-Europeanpleh₁-to fill

via Dutch delta

StepLanguageWordMeaning
1DutchdeltaThe Greek letter delta; A river delta, a network...
2Ancient Greekδέλταdelta, the name for the fourth letter Δ, δ of the...
3Phoenician𐤃dalet; daleth
4Egyptian𓉿
Every word from Proto-Indo-European pleh₁-
Deltaplan — Etymology, Origin & Word History | Etymology Explorer