Where does “плоскостопный” come from?

плоскостопный (Russian) comes from Russian плоскосто́пие, from Russian -о-, from Old East Slavic -о-, from Proto-Slavic -o-.

плоскостопный (Russian): flat-footed having flat feet

Definitions

  1. flat-footed having flat feet

Ancestry of “плоскостопный”, step by step

StepLanguageWordMeaning
1Russianплоскосто́пиеflatfoot a condition in which the arch of the foot makes contact with the ground
2Russian-о-water; art; owner
3Old East Slavic-о-
4Proto-Slavic-o-
Every word from Proto-Slavic -o-Every word from Russian -о-Every word from Old East Slavic -о-