Where does “двоечница” come from?

двоечница (Russian) comes from Russian дво́йка, from Russian -ка, from Proto-Slavic -ьka, from Proto-Balto-Slavic -ikaʔ, from Proto-Indo-European -ikeh₂.

двоечница (Russian): female pupil with only the lowest mark "two" in her record

Definitions

  1. female pupil with only the lowest mark "two" in her record

Ancestry of “двоечница”, step by step

StepLanguageWordMeaning
1Russianдво́йкаtwo
2Russian-каnow, just
3Proto-Slavic-ьka—
4Proto-Balto-Slavic-ikaʔ—
5Proto-Indo-European-ikeh₂—
Every word from Proto-Indo-European -ikeh₂ →Every word from Russian -ка →Every word from Proto-Slavic -ьka →