Etymology of the English word spectrophotometer
the English word
spectrophotometerusing the English prefix
photo-derived from the Latin prefix
photo-derived from the Greek prefix
photo-, φωτο-, ϕωτο-
derived from the Greek word
phos, φῶς (light; luminousness (in the widest application, natural or artificial, abstract or concrete, literal or figurative))
derived from the Proto-Indo-European root
*bha-derived from the Proto-Indo-European root
*bhā-Date
The earliest known usage of spectrophotometer in English dates from the 19th century.