Smart Definition
Etymology
Pronunciation
afán
eagerness
fan
enthusiast
+
a-
to, towards
Afán means eagerness and can be thought of as a-1 (towards1) being a fan0 (enthusiast0) of something.
noun
  1. eagerness
    A strong desire or eagerness to achieve something
    Su afán por aprender español es admirable. // His eagerness to learn Spanish is admirable.