Where does “подзорная труба” come from?

подзорная труба (Russian) comes from Russian труба́, from Old East Slavic труба, from Proto-Slavic trǫba — pipe, tube; trumpet.

подзорная труба (Russian): spyglass

Definitions

  1. spyglass

Ancestry of “подзорная труба”, step by step

подзорная труба traces back through two separate lines of ancestry.

via Russian труба́

StepLanguageWordMeaning
1Russianтруба́pipe; trumpet
2Old East Slavicтруба
3Proto-Slavictrǫbapipe, tube; trumpet

via Russian подзо́рный

StepLanguageWordMeaning
1Russianподзо́рныйobservation, surveillance
Every word from Proto-Slavic trǫbaEvery word from Old East Slavic трубаEvery word from Russian труба́