noun, masculine/feminine/ˈratjo/plural: ratios
ratio
Etymology tree Proto-Indo-European *h₂er- Proto-Indo-European *-éh₁ti Proto-Indo-European *h₂reh₁- Proto-Italic *rēōr Latin reor Latin ratus Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin ratiōlbor. Spanish ratio Learned borrowing from Latin ratiō. Doublet of ración and razón.