Where does “spektroskopia” come from?

spektroskopia (Polish) comes from Polish spektro-, from Latin spectrum, from Latin -trum, from Proto-Italic -trom, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

Ancestry of “spektroskopia”, step by step

StepLanguageWordMeaning
1Polishspektro-spectro
2Latinspectrumappearance, image; apparition, specter
3Latin-trumforming instrument nouns
4Proto-Italic-tromsuffix forming instrument nouns from verbs
5Proto-Indo-European-tromForms nouns denoting a tool or instrument
6Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...
Every word from Proto-Indo-European -tḗrEvery word from Latin -trumEvery word from Latin spectrum