Where does “Brabantic” come from?

Brabantic (English) comes from English Brabant, from Dutch Brabant, from Middle Dutch brabant, from Old Dutch brākbant, from Proto-Germanic banti, from Dutch band, from English band, from German band — to grow, nourish.

Ancestry of “Brabantic”, step by step

StepLanguageWordMeaning
1EnglishBrabantan express train linking Gare du Nord, with Brussels-South
2DutchBrabantNorth Brabant
3Middle DutchbrabantBrabant
4Old Dutchbrākbant
5Proto-Germanicbantidistrict, region
6Dutchbandconnection, liaison, bond; band; tire/tyre
7EnglishbandA strip of material used for strengthening or...
8Germanbandpast of binden
9Frenchbandeband, strip; stripe; strip
10Frenchthere; here, present
11Italianthere
12Spanishlafeminine singular definite article; the
13Portuguesethere; used with an adverb phrase to indicate...
14Old Portugueseala
15Latinillacthat way, that side, there, along that path, in...
16Latinilliche, she, it, yonder, that, overthere; in that...
17Latinillethat; those; "; demonstrative pronoun "; that...
18Old Latinollethat; he, that; Archaic form of ille
19Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European h₂él-Every word from Old Latin olleEvery word from Latin ille