desovar
spawn
des-
un- or de-
+
ova
eggs
+
-ar
verb suffix
Desovar means to spawn and can be thought of as des-0 (un- or de-0) + ova1 (eggs1) + -ar2 (verb suffix2), literally meaning 'to un-egg' or 'to release eggs'.
verb
  1. spawn
    To lay eggs, especially referring to fish or amphibians
    Los salmones regresan a los ríos para desovar. // Salmon return to rivers to spawn.