Where does “сетчатка” come from?

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

сетчатка (Russian): retina thin layer of cells at the back of the eyeball

Definitions

  1. retina thin layer of cells at the back of the eyeball

Ancestry of “сетчатка”, step by step

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