madrina
godmother
madre
mother
+
-ina
diminutive suffix
Madrina means godmother and can be thought of as madre0 (mother0) + -ina1 (diminutive suffix1), suggesting a kind of 'little mother' or mother-like figure.
noun
- godmotherA godmother or female sponsorMi tía es mi madrina de bautismo. // My aunt is my godmother for baptism.