puñeta
damn
puño
fist
+
-eta
diminutive suffix
Puñeta is an interjection meaning damn. While not directly related, it can be remembered by thinking of puño0 (fist0) + -eta1 (diminutive1), like a small punch of frustration.
interjection
- damnA vulgar expression of annoyance or frustration¡Puñeta! Se me olvidaron las llaves. // Damn! I forgot my keys.