templar
temper
temper
to moderate or control
+
-ar
verb suffix
Templar means to temper and can be thought of as the English word temper0 (to moderate or control0) with the Spanish -ar1 verb suffix1.
verb
  1. temper
    To moderate or temper something
    El guitarrista necesita templar su instrumento antes del concierto. // The guitarist needs to tune his instrument before the concert.