The Spanish phrase “cuarenta” means “forty” in English. It’s spelled “c-u-a-r-e-n-t-a”. The phrase “cuarenta” is used to explain a amount of forty, akin to forty individuals, forty {dollars}, or forty minutes. It can be used to explain a time of day, akin to “las cuatro de la tarde” (4 o’clock within the afternoon).
The phrase “cuarenta” is derived from the Latin phrase “quadraginta”, which additionally means “forty”. The phrase “quadraginta” is considered derived from the Proto-Indo-European phrase “*ketwer-“, which suggests “4”.