Where does “рдест гребенчатый” come from?

рдест гребенчатый (Russian) comes from Russian гребенчатый, from Russian гре́бень, from Proto-Slavic *greby — comb.

рдест гребенчатый (Russian): sago pondweed (Stuckenia pectinata)

Definitions

  1. sago pondweed (Stuckenia pectinata)

Ancestry of “рдест гребенчатый”, step by step

StepLanguageWordMeaning
1Russianгребенчатыйpectinate, comb-shaped
2Russianгре́беньcomb
3Proto-Slavic*grebycomb
Every word from Proto-Slavic *greby →Every word from Russian гре́бень →Every word from Russian гребенчатый →