Where does “перепончатый” come from?

перепончатый (Russian) comes from Russian перепо́нка, from Proto-Slavic perpona, from Proto-Slavic perpęti.

перепончатый (Russian): membranous, webbed

Definitions

  1. membranous, webbed

Ancestry of “перепончатый”, step by step

StepLanguageWordMeaning
1Russianперепо́нкаmembrane enclosing or separating tissue
2Proto-Slavicperponaobstacle, hindrance, hurdle, impediment
3Proto-Slavicperpęti—
Every word from Proto-Slavic perpęti →Every word from Proto-Slavic perpona →Every word from Russian перепо́нка →