Where does “همکف” come from?

همکف (Persian) comes from Persian کف, from Arabic كَفّ, from Proto-Semitic kapp- — palm, hand.

همکف (Persian): ground floor

Definitions

  1. ground floor

Ancestry of “همکف”, step by step

همکف traces back through two separate lines of ancestry.

via Persian کف

StepLanguageWordMeaning
1Persianکفfoam; froth; palm
2Arabicكَفّpalm; hand, palm; scalepan
3Proto-Semitickapp-palm, hand

via Persian همـ

StepLanguageWordMeaning
1Persianهمـco-; denotes sharing of a property
Every word from Proto-Semitic kapp-