Where does “spectru” come from?

spectru (Romanian) comes from German Spektrum, from English Spectrum, from Latin spectrum, from Ancient Greek σκοπέω, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai, from Proto-Indo-European spéḱyeti — to see, to look, to observe.

spectru (Romanian): specter; spectrum

Definitions

  1. specter; spectrum

Ancestry of “spectru”, step by step

spectru traces back through two separate lines of ancestry.

via German Spektrum

StepLanguageWordMeaning
1GermanSpektrumspectrum
2EnglishSpectrumA range; a continuous, infinite, one-dimensional set, possibly bounded by extremes
3Latinspectrumappearance, image; apparition, specter
4Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
5Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
6Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
7Proto-Hellenicsképťomaito look at
8Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
9Proto-Indo-Europeanspeḱ-to see, to look, to observe

via French spectre

StepLanguageWordMeaning
1Frenchspectreghost, specter; spectrum
Every word from Proto-Indo-European speḱ-Every word from Proto-Indo-European spéḱyetiEvery word from Proto-Hellenic sképťomai