According to : www.wikipedia.fr
Macaron = French ( mac a ron ) = Ron
Macaroon = English ( mac a roon ) = roon as in coon
*** Note: this pastry hails from Italia / Sicilia and it indicates Almond and later on, Coconut and almond crusted ...
The Moors brought this coconut cookie like biscotti to Italy and thus, France --- the name has an Arabic - Moroccan root.