Where does “Benelux” come from?

Benelux (Dutch) comes from Dutch België, from Dutch -ië, from Middle Dutch -ie, from Old French -ie, from Latin -ia, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “Benelux”, step by step

Benelux traces back through 3 separate lines of ancestry.

via Dutch België

StepLanguageWordMeaning
1DutchBelgië
2Dutch-iëUsed to form country names
3Middle Dutch-ie
4Old French-ieindicates a feminine noun, often an abstract one
5Latin-iaUsed to form a feminine abstract noun, usually...
6Latin-iusforming adjectives from nouns; nominative neuter...
7Proto-Italic-jōsForms comparative adjectives
8Proto-Indo-European-yósCreates adjectives from noun or verb stems

via Dutch Nederland

StepLanguageWordMeaning
1DutchNederlandthe Netherlands; Netherlands
2Dutchlandland; country; land
3Middle Dutchlantland; country, region; ground, earth
4Old Dutchlantland; land, terrain; territory
5Proto-West Germaniclandland, area of ground
6Proto-Germaniclandąland, area of ground
7Proto-Indo-Europeanlendʰ-land, heath; loins

via Dutch Luxemburg

StepLanguageWordMeaning
1DutchLuxemburg

Words derived from “Benelux

Every word from Proto-Indo-European -yósEvery word from Latin -iaEvery word from Latin -ius