blanquearon
-they whitened
The word blanquearon is the preterite form of blanquear in the third person plural.
See the full blanquear conjugation

blanquear

En 2000 se blanquearon entre 500.000 millones y 1,5 billones de dólares.
In 2000, between $500 billion and $1.5 trillion were laundered.
Se blanquearon en parte los pabellones y se realizaron reparaciones cotidianas diversas (instalación de barrotes de seguridad en ventanas y puertas, renovación de baldosas, sustitución parcial de puertas, pintura de casilleros, etc.).
Wards were partially whitewashed; everyday repairs were carried out (installing security bars on windows and doors, ceramics refurbishing, partial replacement of carpentry (doors), painting of lockers, etc).
Los acusados blanquearon en España miles de euros procedentes del narcotráfico.
In Spain the accused laundered thousands of euros, which were the proceeds of drug trafficking.
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