depreposition
De means of or from in English. It is a preposition.
- of
- from
Este anillo es de plata pura.
This ring is made of pure silver.
La mesa es de madera y pesa mucho.
The table is made of wood and is very heavy.
Es el coche más caro de toda la ciudad.
It’s the most expensive car in the whole city.
Vengo de mi trabajo mucho más tarde hoy.
I'm coming from work much later today.