* "De" as a preposition is common in many Romance languages:
* Spanish: "de" means "of" or "from".
* Portuguese: "de" means "of" or "from".
* French: "de" means "of" or "from".
* Italian: "di" (the equivalent of "de") means "of" or "from".
* Romanian: "de" means "of" or "from".
* "De" also appears in some Germanic languages:
* Dutch: "de" can mean "the" (definite article) or "of".
* German: "de" can mean "the" (definite article).
* Afrikaans: "de" means "the" (definite article).
Therefore, "de" alone isn't enough to determine a language. You need more context to understand the language being used. For example:
* "El libro de Juan" (Spanish): This phrase clearly uses "de" in a Spanish context.
* "De Nederlandse taal" (Dutch): This phrase uses "de" in a Dutch context, where it is the definite article "the".
If you provide me with a sentence or phrase, I can help you determine the language based on the context and usage of "de".