Origin: Germanic Old English prefix
Belgian has 5 different meanings across 3 categories:
Noun · Adjective · Proper Noun
a native or inhabitant of Belgium
"The belgian diplomat arrived at the embassy to discuss trade agreements."
A person from Belgium or of Belgian descent.
"The visiting belgian shared stories about life in Brussels during his trip home."
In plain English: A Belgian is someone who lives in Belgium, which is a country located right next to France and Germany in Europe.
"My neighbor is visiting from Belgium and he said hello in his typical Belgian accent."
Of, from, or pertaining to Belgium or the Belgian people.
"The visitors enjoyed authentic Belgian waffles and beer during their trip to Brussels."
In plain English: Something Belgian is from Belgium, which is a country known for chocolate and beer located between France and Germany.
"The Belgian chocolate was so delicious that I wanted to eat every piece immediately."
A hypothetical extinct Indo-European language, supposed to have been spoken distinct from Celtic in late prehistory, in certain parts of what has become known as Gaul.
"Linguists debate whether the ancient Belgian tongue was a true Germanic dialect or a unique branch of Indo-European that diverged early from Celtic before fading into obscurity."
The word Belgian comes from combining the name of the country Belgium with the suffix -an to indicate nationality. It was formed directly by adding a common English ending to describe people or things associated with that nation.