wasserette

from Dutch wasserette. originally a brand name, derived from Dutch wassen and the suffix -ette, introduced in 1959 by the Amsterdam entrepreneur Bert Twaalfhoven based on the name of its American equivalent, the launderette. during the 1960s, dozens of laundries appeared in the Netherlands bearing the name of this brand. the use of this brand name as a noun became widespread during the same period.« wassserette », etymologisch woordenboek van het nederlands, 2003-2009, http://www.etymologiebank.nl/trefwoord/wasserette.