fiera

fiera is feminine in Spanish.

wild animal, beast; firecracker, spitfire, dragon (a feisty and aggressive woman with a lot of energy)

“Con tu mirada de fiera ofendida / Con tu vendaja donde herida no hay / Con tus gemidos de madre sufrida”

Etymology tree Proto-Indo-European *ǵʰwer-der. Latin ferus Proto-Indo-European *-h₂ Proto-Indo-European *-eh₂ Proto-Italic *-ā Latin -a Latin feraslbor. Old Spanish fiera Spanish fiera Inherited from Old Spanish fiera, a semi-learned borrowing from Latin fera (as initial Latin /f/ was expected to have turned into Old Spanish /h/ and later drop), from ferus (“wild”, adjective).

fiera is masculine or feminine depending on context in Spanish.

fiend; nut; beast, demon (someone who is really strong or excels at something, especially something athletically but can also be extended figuratively as well)

“un fiera de las manualidades” — an art nut

Etymology tree Proto-Indo-European *ǵʰwer-der. Latin ferus Proto-Indo-European *-h₂ Proto-Indo-European *-eh₂ Proto-Italic *-ā Latin -a Latin feraslbor. Old Spanish fiera Spanish fiera Inherited from Old Spanish fiera, a semi-learned borrowing from Latin fera (as initial Latin /f/ was expected to have turned into Old Spanish /h/ and later drop), from ferus (“wild”, adjective).