Etymology of the English word infrared
the English word
infraredusing the English prefix
infra-derived from the Latin word
infra (below)
derived from the English word
redderived from the English word
readderived from the Proto-Indo-European root
*ar-derived from the Proto-Germanic root
*raedananderived from the Proto-Indo-European root
*reudh-derived from the Proto-Germanic root
*rauthazUsage
Word found in Modern English