noun, masculine/obseɾbaˈtoɾjo/plural: observatorios
observatory
Etymology tree Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁épsder. Proto-Indo-European *h₁óp(i) Proto-Italic *op Latin ob Latin ob- Proto-Indo-European *ser-der.? Proto-Italic *serwos Latin servus Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin servō Latin observārebor. Spanish observar Spanish -torio Spanish observatorio From observar + -tori