Where does “Beneluxian” come from?

Beneluxian (English) comes from English Benelux, from Dutch Benelux, from Dutch België, from Dutch -ië, from Middle Dutch -ie, from Old French -ie, from Latin -ia, from Latin -ius — Creates adjectives from noun or verb stems.

Beneluxian (English): Of or relating to Benelux

Definitions

  1. Of or relating to Benelux

Ancestry of “Beneluxian”, step by step

Beneluxian traces back through two separate lines of ancestry.

via English Benelux

StepLanguageWordMeaning
1EnglishBeneluxAn economic and customs union made up of Belgium, the Netherlands and Luxembourg
2DutchBenelux
3DutchBelgië
4Dutch-iëUsed to form country names
5Middle Dutch-ie
6Old French-ieindicates a feminine noun, often an abstract one
7Latin-iaUsed to form a feminine abstract noun, usually...
8Latin-iusforming adjectives from nouns; nominative neuter...
9Proto-Italic-jōsForms comparative adjectives
10Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English ian

StepLanguageWordMeaning
1Englishian
2IrishEoinJohn any of several people in the Bible
3Old IrishIohainJohn apostle
4LatinIōannēsJohn biblical persons
5Ancient GreekἸωάννης
6HebrewיוחנןYahweh is gracious
7Hebrewחנוןgracious, merciful, compassionate; passive...
8Moroccan Arabicخنونةmucus, snot
9Arabicخُنَّة
Every word from Proto-Indo-European -yós