diseñar
design
design
design
+
-ar
verb suffix
Diseñar means to design and can be thought of as the English word design0 + -ar1 (verb suffix1), with a slight change in spelling (adding 'ñ').
verb
  1. design
    To create, fashion, execute, or construct according to plan
    Ella quiere diseñar su propia ropa. // She wants to design her own clothes.