This is the 4101st most frequent Spanish word.
fiat
In Spanish, "fiat" refers to an authoritative decree, order, or formal authorization.
Here, 'Fiat' is used as a proper noun, referring to the automobile brand.
Conduzco un Fiat desde hace cinco años.
I have been driving a Fiat for five years.
In this context, 'fiat' is used as a noun, meaning an authoritative or arbitrary order.
El gobierno emitió un decreto por fiat para regular la situación.
The government issued a decree by fiat to regulate the situation.
Here, 'fiat' is used as an adjective, characterizing the type of currency that is based on trust rather than commodity value.