Spectrum etymology

Latin

Latin word spectrum comes from Latin specto (I consider. I test. I watch, observe, look at, see.), Latin -trum (Forming instrument nouns.)

Etymology of spectrum

Detailed word origin of spectrum

Dictionary entry Language Definition
specto Latin (lat) I consider. I test. I watch, observe, look at, see.
-trum Latin (lat) Forming instrument nouns.
spectrum Latin (lat) Apparition, specter. Appearance, image.