desmedrar

to weaken; to decline, to wane

“las limitaciones externas de su soberanía no sirven más que para desmedrar la raza, para empobrecer el caudal sanguíneo de la humanidad.” — the external limitations of his rule serve little other purpose than to weaken the race, to impoverish humankind's gene pool

Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *d(w)is- Proto-Italic *dis- Latin dis- Old Spanish des- Spanish des- Spanish medrar Spanish desmedrar From des- + medrar.