masticar
chew
masticate
to chew
+
-ar
verb suffix
Masticar means to chew and can be thought of as masticate0 (a formal English word for 'chew') + -ar1 (verb suffix1).
verb
  1. chew
    To chew or grind food with teeth
    Es importante masticar bien la comida para una buena digestión. // It's important to chew food well for good digestion.