noun, feminine/rapiˈdeθ/plural: rapideces
speed
Etymology tree Spanish rápido Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Latin -itia Proto-Italic *-jēs Latin -iēs blend Latin -itiēs Spanish -ez Spanish rapidez From rápido + -ez.