Where does “плоскодонный” come from?

плоскодонный (Russian) comes from Russian до́нный, from Russian дно, from Old East Slavic дъно, from Proto-Slavic dъno, from Proto-Indo-European *dʰewb-.

плоскодонный (Russian): flat-bottomed

Definitions

  1. flat-bottomed

Ancestry of “плоскодонный”, step by step

плоскодонный traces back through 3 separate lines of ancestry.

via Russian до́нный

StepLanguageWordMeaning
1Russianдо́нныйbottom
2Russianдноfloor, bed; bottom surface of a container; bottom...
3Old East Slavicдъно
4Proto-Slavicdъnobottom
5Proto-Indo-European*dʰewb-

via Russian [[плоский

StepLanguageWordMeaning
1Russian[[плоский

via Russian пло́ск(ий)]]

StepLanguageWordMeaning
1Russianпло́ск(ий)]]
Every word from Proto-Indo-European *dʰewb-Every word from Proto-Slavic dъnoEvery word from Old East Slavic дъно